JPH04280342A - Program management method for work station computer - Google Patents

Abstract

PURPOSE:To down-load only a necessary file from a master file stored in a file server connected through LAN in respective work stations. CONSTITUTION:Catalogue information of the master file in a master file device MF is requested to a file server computer 1 in the directory unit of a file which is down-load-designated and catalogue information received from the file server computer 1 is referred to. The file updated on a master file-side is discriminated among the files stored in the file device WF of a work station computer 2. Then, only the updated file is down-load-requested to the file server computer 1.

Description

[Detailed description of the invention]

[Object of the invention]

[Industrial Field of Application] The present invention relates to a system in which a large number of workstation computers and file server computers are connected to the same local area network, and each workstation computer is The present invention relates to a program management method for a workstation computer that uniformly manages the contents of main program files stored in the computer.

0002

[Prior Art] Generally, a distributed program development environment is in use in which a large number of workstation computers equipped with independent program development environments are connected to a local area network and programs are jointly developed. 7.

[0003] In the figure, a local area network LAN includes a large number of workstation computers WS1.
~WSk and a file server computer FS are connected. In addition, each workstation computer WS1 to WSk has an independent file device WF1 to WF.
A master file device MF is connected to the file server computer FS.

[0004] The master file device MF stores master files that are the originals of the program files stored in the file devices WK1 to WFk of the respective workstation computers WS1 to WSk.

Conventionally, each workstation computer W
When the S1 to WSk are powered on, the master file stored in the master file device MF is transferred from the file server computer FS to the local area network L.
By downloading everything via AN and copying the downloaded master file to file devices WK1 to WFk, all workstation computers WS1
~WSk stores the same program file on file device W
It is possible to hold it at F1 to WFk.

[0006] Therefore, when a program file commonly used by each of the workstation computers WS1 to WSk is changed or modified, the program file (master file) stored in the master file device MF of the file server computer FS. Just change or modify it.

[0007] This greatly facilitates program management, especially when the number of workstation computers WS1 to WSk connected to the local area network LAN is a system scale of several tens to several hundreds.

[0008]

[Problems to be Solved by the Invention] However, such conventional methods have the following disadvantages.

That is, each workstation computer W
The tasks of users using S1 to WSk are not completely the same, and each user often configures a unique program development environment. Accordingly, program files stored in each of the file devices WF1 to WFk with the same name often have different contents.

To this end, as described above, the workstation computers WS1 to WSk download the program file from the master file device MF when they start up, and then download the program files from the master file device MF to the workstation computers WS1 to WSk.
If the contents of the WSk file devices WF1 to WFk are made the same as the contents of the master file device MF, the user will have to perform work to prepare a unique program development environment each time, which will take time and effort. was occurring.

[0011] In order to eliminate such inconvenience,
Although it is sufficient to store unique program files for each user in a master file device, the number of master files increases by the number of workstation computers, resulting in an inconvenience that the maintenance of the master files increases.

[0012] Furthermore, the amount of information in the master file stored in the master file device MF is extremely large, on the order of several hundred MB, and when such a large-capacity data file is downloaded via the local area network LAN, It takes several minutes to several tens of minutes, and the time from the start-up of the workstation computers WS1 to WSk to the time they become usable is very long, resulting in the inconvenience of burdening the user.

The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a program management method for a workstation computer that enables efficient program management of the workstation computer. It is said that

[Configuration of the invention]

[Means for Solving the Problems] According to the present invention, each workstation computer notifies a file server computer of the file name of a program file to be read from a master file, and the file server computer
Regarding program files with the same file name as the file name notified from the workstation computer, a catalog file consisting of list information about the file version stored in the master file is created and notified to the workstation computer, and the workstation computer The station computer compares the contents of the catalog file notified by the file server computer with information about the stored version of the program file, determines the updated program file, and updates the program file from the master file based on the determination result. Download file information consisting of a list of file names of program files to be read is notified to the file server computer, and the file server computer reads the program file specified by the download file information notified from the workstation computer from the master file, The read program file is sent to the workstation computer, and the workstation computer updates its stored program file with the program file received from the file server computer.

Furthermore, among the plurality of workstation computers, a specific workstation computer stores an original file that is the original of the master file, and this specific workstation computer sends each file name of the original file to the file server computer. Upon notification, the file server computer forms a catalog file consisting of list information regarding the version of the file stored in the master file regarding the program file with the same file name as the file name notified from the specific workstation computer. The specific workstation computer is notified, and the specific workstation computer compares the contents of the catalog file notified by the file server computer with the stored version information of the original file, and determines the newer original file. , forms an upload file for updating the master file based on the determination result, and sends the upload file to the file server computer, and the file server computer, based on the upload file received from the specific workstation computer, The present invention is characterized in that the contents of the stored master file are updated.

[0016]

[Operation] Therefore, each workstation calculator
In the master file, you specify the program to be read and only the updated program files are downloaded, so information unique to each workstation computer is retained and the necessary program files can be obtained in a shorter time. be able to. Also, when updating the contents of the master file,
Since only the necessary files are uploaded, the effort required to maintain the master file is greatly reduced.

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a system according to one embodiment of the present invention.

In the same figure, a file server computer 1 and a workstation computer 2 are connected to a local area network LAN as shown in FIG. 7, and each is connected to a master file device M.
F and a file device WF.

In the workstation computer 2, the master file catalog requesting means 21 requests file names and last modification dates of files that may be downloaded from among the files stored in the master file device MF of the file server computer 1. This is for requesting the file server computer 1 for catalog information consisting of list information of It is sent to the file server computer 1 via.

In the file server computer 1, the master file catalog creation means 11 is for forming catalog information requested by the workstation computer 2 and transmitting it to the workstation computer 2. When the request information is received, information such as the file name and the last modification date of the file included in the directory with the same directory name as the directory name included in the request information is read from the master file device MF, and based on the read information. Catalog information is formed and transmitted to the workstation computer 2 via the local area network LAN.

In the workstation computer 2, the download file determining means 22 determines a file to be downloaded based on the catalog information received from the file server computer 1, and notifies the file server computer 1 of the file to be downloaded. Download request file information consisting of list information is transmitted to the file server computer 1 via the local area network LAN.

[0023] In the file server computer 1, the download means 12 is for transmitting a file to be downloaded notified from the workstation computer 2 to the workstation computer 2, and upon receiving download request file information from the workstation computer 2, One or more files included in the download request file information are read from the master file device MF, and the files are transferred to the local area network L.
It is transmitted to the workstation computer 2 via the AN.

When the workstation computer 2 receives a file from the file server computer 1, it copies the received file to the file device WF and updates the contents of the file device WF.

FIG. 2 illustrates more detailed contents of each device in FIG. 1.

In the figure, the file device WF is composed of a main file WFm for storing program files used in the workstation computer 2, and a download information file WFd for storing download information. There is.

FIG. 3 shows an example of the structure of the file system in the main file WFm.

[0028] In this file system, all files are contained in a management unit called a directory, and each directory can contain sub-directories, and as a whole, the root directory is the top level directory. It is hierarchically organized into a tree structure.

[0029] Also, the file name is the "file name body"
, ". (period)", and "extension",
Usually, a character string representing the type of file is specified as the extension. Further, the file name may consist only of the file name itself, and the directory name may also include a period and an extension.

The download information stored in the download information file WFd is, for example, as shown in FIG.
Number information for identifying each item, download directory information for registering the directory name to which the downloaded file belongs, and files in directories included under the directory name registered in the download directory information are also downloaded. Recursion specification information for registering whether to specify
Target file name specification information for registering the file name to be downloaded, and information for specifying whether the file name registered in the target file name specification information is to be downloaded or not. Consists of target specification information. This download information is created in advance by the user using the workstation computer 2 and registered in the file device WF.

Here, the file names that can be registered in the target file name designation information can include so-called wild cards such as "*" and "?". Wildcard"*
” represents any character string, and the wild card “?” represents any single character.

[0032] Therefore, "*.*" is used as the file name.
is specified, all files in the directory whose ``file name body'' is an arbitrary character string and whose ``extension'' is an arbitrary character string are It will be (or not) eligible for download.

[0033] Furthermore, if "TW?.*" is specified as the file name, the first character of the "file name body" is "T", the second character is "W", and the third character is Files that are 3 characters in which arbitrary characters are arranged, and whose extension is an arbitrary character string are eligible for (or excluded from) downloading.

[0034] In this way, since the file name can be specified using a wild card, it is not necessary to input the entire file name when specifying the file name, which reduces input operations. . Furthermore, even when the number of files increases, there are cases where there is no need to add file names, which is convenient.

In the workstation computer 2, the download requesting means 211 connects the local area network LAN when the workstation computer 2 is activated.
When the initialization of the operating system including the initialization of the operating system is completed, the download information analysis means 212 is activated.

When activated by the download requesting means 211, the download information analysis means 212 extracts the download information from the download information file WFd and converts the contents of the download directory information and recursion specification information of each item of the download information into a catalog file. The requesting means 213 and the version checking means 221 of the download file determining means 22 are notified, and the download information is sent as is to the file name checking means 2 of the download file determining means 22.
Notify 22.

When the catalog file requesting means 213 is notified of the contents of the download directory information and recursion specification information by the download information analysis means 212, it forms request information consisting of the list information thereof, and uses the request information to send and receive files. It is transmitted to the file server computer 1 via the means 23.

Here, the file transmitting/receiving means 23 of the workstation computer 2 and the file transmitting/receiving means 13 of the file server computer 1 are for exchanging data using the local area network LAN, respectively. network LAN
It forms part of the operating system's functionality, including: Further, some functions of the file device transmitting/receiving means 23 are included as functions of the master file catalog requesting means 21 and the download file determining means 22, and some functions of the file transmitting/receiving means 13 are included in the master file catalog requesting means 21 and the functions of the download file determining means 22. Creation means 11, and
It is included as a function of the download means 12.

Therefore, the master file catalog requesting means 21 includes the download requesting means 211, the download information analysis means 212, and the catalog file requesting means 2.
13, and some functions of the file transmitting/receiving means 23.

The version checking means 221 determines the directory containing the file to be downloaded based on the contents of the download directory information and recursion specification information of each item of download information input from the download information analysis means 212, and converts the main file WFm. When the file names and last modification dates of all files included in the directory to be downloaded are extracted, and the catalog information is received from the file server computer 1 via the file transmitting/receiving means 23, the same file name is extracted for each directory. Compare the last modification date of the catalog information and check if the last modification date of the catalog information is newer. Then, the inspection result is used as download file reference information by the file name checking means 222.
Output to.

[0041] The file name checking means 222 determines the files to be downloaded from among the files stored in the main file WFm for each directory based on the download information input from the download information analysis means 212. For each file whose catalog information last modification date is registered as new in the download file reference information notified by the version checking means 221, it is checked whether or not it is a file that should be downloaded, and the check results are It is output to the download file requesting means 223 as download file information.

[0042] The download file requesting means 223 is
Based on the download file information inputted from the file name checking means 222, download request file information is formed, and the download request file information is transmitted to the file server computer 1 via the file transmitting/receiving means 23.

Further, the file data received from the file server computer 1 is transmitted via the file transmitting/receiving means 23,
The data is transferred to the file device WF, copied to the main file WFm, and the contents of the main file WFm are updated.

[0044] Here, the version check means 221,
The file name checking means 222, the download file requesting means 223, and some functions of the file transmitting and receiving means 23 constitute the download file determining means 22.

In the file server computer 1, the catalog file creation means 111 checks the storage contents of the master file device MF based on the request information received from the workstation computer 2, and creates the specified directory to be downloaded. is determined, catalog information consisting of the file name and last modification date is created for all files included in the directory, and the catalog information is transmitted via the file transmitting/receiving means 13.
Send to workstation computer 2.

FIG. 5 shows an example of catalog information.

[0047] In this way, the catalog information includes, for each directory, directory name information representing the directory name, and the size (number of bytes) of each file.
The data structure is set to display a list of size information representing the file size, last modification date information of each file, and file name information representing the name of each file.

[0048] The download file transmitting means 121 is
Based on the download request file information received from the workstation computer 2, the file requested to be downloaded is read from the master file device MF,
The file data is transmitted to the workstation computer 2 via the file transmitting/receiving means 13.

[0049] Here, the catalog file creation means 111
The master file catalog creation means 11 is constituted by part of the functions of the file transmission and reception means 13, and the download means 12 is constituted by part of the functions of the download file transmission means 121 and the file transmission and reception means 13. .

[0050] With the above configuration, when this system starts up, the initial operating system processing is performed,
Initialization processing is performed on all terminal devices connected to the local area network LAN, and these terminal devices become operational.

In this way, when the start-up operation is completed, the download request means 211 in the workstation computer 2 requests the download information analysis means 212.
, and as a result, the download information analysis means 21
2 takes out the download information stored in the download information file WFd and sends it to the catalog file requesting means 213 and the version checking means 211.
The information regarding the directory to be downloaded is notified to the file name checking means 222, and the download information is also notified to the file name checking means 222.

[0052] Therefore, the catalog file requesting means 2
13 forms directory information to be downloaded, and sends the file transmitting/receiving means 23 using it as request information.
The data is sent to the file server computer 1 via the .

The file transmitting/receiving means 23 transmits the request information received from the catalog file requesting means 213 to the designated destination, the file server computer 1, via the local area network LAN.

In the file server computer 1, the file transmitting/receiving means 1 is transmitted via the local area network LAN.
3 receives the request information, and the file transmitting/receiving means 13 transmits the received request information to the catalog file creating means 111.
Transfer to.

Catalog file creation means 111 extracts size information and last modification date for all files in the directory specified by the request information, and creates the above-mentioned catalog information based on that information. Then, the catalog information is transmitted to the file transmitting/receiving means 1.
3 to the workstation computer 2.

In the workstation computer 2, the file transmitting/receiving means 23 receives the catalog information via the local area network LAN, and the file transmitting/receiving means 2
3 transfers the received catalog information to the version checking means 221.

When the download information is input from the download information analysis means 212, the version check means 221 determines all directories containing files to be downloaded based on the contents of the download information, and selects the directory to be downloaded from the main file WFm. Retrieves the file name and last modification date of all included files. When the catalog information is received from the file server computer 1 via the file transmitting/receiving means 23, the last modification date of the same file name is compared for each directory, and the last modification date of the catalog information is newer. and the test results,
It is output to the file name checking means 222 as download file reference information.

[0058] As a result, the file name checking means 2
22 extracts the file names included in the download file determined by referring to the download information from among the file names included in the download file reference information, and creates a list of file names of those files for each directory. Then, the list information is sent to the download file requesting means 223 as download request file information.

Thereby, the download file requesting means 223 transmits the download request file information to the file server computer 1 via the file transmitting/receiving means 23.

The file transmitting/receiving means 23 transmits the download request file information received from the download file requesting means 223 to the designated destination, the file server computer 1, via the local area network LAN.

In the file server computer 1, the file transmitting/receiving means 1 is transmitted via the local area network LAN.
3 receives the download request file information, and the file transmitting/receiving means 13 transfers the received download request file information to the download file transmitting means 121.

[0062] The download file transmitting means 121 is
For each directory included in the received download request file information, determine the file requested for download, extract the file from the master file device MF, and form a set of transmission data consisting of a group of files to be transferred. .

Then, the transmission data is transmitted to the workstation computer 2 via the file transmission/reception means 13 as download file data.

In the workstation computer 2, the file transmitting/receiving means 23 is transmitted via the local area network.
receives the download file data, and the file transmitting/receiving means 23 transfers the received download file data to the file device WF.

The file device WF decomposes the received download file data into individual files and stores each file in the main file WFm in the specified directory.

In this way, in this embodiment, among the various program files stored in the main file WFm of the file device WF, the user thinks that updates are necessary and registers them in the download information in advance. Only the program files are on the workstation computer 2.
At the time of startup, the respective contents are updated to the contents stored in the master file device MF.

As a result, the development environment parameters specific to the user of the workstation computer 2 are not updated, and only the files necessary for program development are updated with new contents, so that the user of the workstation computer 2 The effort is reduced.

Furthermore, since only newly updated files are downloaded from the master file device MF, it is possible to reduce the download time for file updates when the workstation computer 2 is started up, and the workstation The usability of the computer 2 can be greatly improved.

By the way, the file server computer 1 in the above-described embodiment is connected to the local area network LA.
It provides a filing service to the workstation computers 2 connected to N, and operates independently.

For this reason, the computer system (including the operating system and hardware configuration) that realizes the file server computer 1 is different from the computer system that realizes the workstation computer 2, and therefore, the file server computer 1 By itself, it is not possible to update the contents of the master file stored in the master file device MF.

[0071] Therefore, local area network LA
Among the workstation computers 2 connected to N, a specific workstation computer (hereinafter referred to as a specific workstation computer) is equipped with the original master file, and when the original master file is updated on this specific workstation computer. , by newly uploading only the updated master files stored in the master file device MF of the file server computer 1 to the file server computer 1 at an appropriate timing. The contents of the MF can be updated appropriately, and the program files can be updated for other workstation computers 2.

An example of such a case is shown in FIG.

The file device WF provided in the specific workstation computer 2' has the same format as the download information described above, and uploads the original master file stored in the main file WFm to the file server computer 1. The main file WFm includes an upload information file WFu that stores upload information for specifying files that may be uploaded, and a main file WFm that stores a large number of program files including an original master file.

In the specific workstation computer 2', the upload requesting means 31 sends the upload information analyzing means 32 when the specific workstation computer 2' is started and the initialization of the operating system including the local area network LAN is completed. It is something that starts.

When activated by the upload requesting means 31, the upload information analysis means 32 extracts the upload information from the upload information file WFu and catalogs the contents of the upload directory information and recursion specification information of each item of the upload information. The upload information is notified to the file requesting means 33 and the version checking means 34, and the file name checking means 35 is directly notified of the upload information.

[0076] When the catalog file requesting means 33 is notified of the contents of the upload directory information and recursion specification information by the upload information analysis means 32, it forms request information consisting of the list information thereof, and uses the request information as
It is transmitted to the file server computer 1 via the file transmitting/receiving means 36.

Here, the file transmitting/receiving means 36 of the workstation computer 2' and the file transmitting/receiving means 41 of the file server computer 1 are the same as the file transmitting/receiving means 23 and the file transmitting/receiving means 1 of the embodiment described above.
3, it is for exchanging data using the local area network LAN, and forms part of the functions of the operating system including the local area network LAN.

The version checking means 34 determines the directory containing the file to be uploaded based on the contents of the upload directory information and recursion specification information of each item of the upload information input from the upload information analysis means 32, and determines the directory containing the file to be uploaded.
When the file names and last modification dates of all files included in the directory to be uploaded from Fm are extracted and catalog information is received from the file server computer 1 via the file transmitting/receiving means 36 (described later), for each directory. , the last modification date of the same file name is compared, and the main file WFm whose last modification date is newer is checked. Then, the inspection result is outputted to the file name checking means 37 as upload file reference information.

[0079] The file name checking means 37 determines files to be uploaded among the files stored in the main file WFm for each directory based on the upload information input from the upload information analysis means 32, and For each file whose last modification date of the main file WFm is registered as new in the upload file reference information notified by the version check means 34, it is checked whether or not it is a file that should be uploaded, and based on the check result. Based on this, the file to be uploaded is extracted from the main file WFm, and the extracted file data is transmitted to the file server computer 1 via the file transmitting/receiving means 36 as transmission data.

[0080] In the file server computer 1, the catalog file creation means 42 checks the storage contents of the master file device MF based on the request information received from the specific workstation computer 2', and selects the specified upload target. determines which directory is in the directory, forms catalog information consisting of file names and last modification dates for all files contained in that directory, and sends the catalog information to the workstation computer 2 via the file transmitting/receiving means 41. Send.

[0081] Also, the specific workstation computer 2'
The file data received from the file transmitting/receiving means 4
1 to the master file device MF, and the contents of the master file stored in the master file device MF are updated.

With the above configuration, when this system starts up, the initial operating system processing is performed,
Initialization processing is performed on all terminal devices connected to the local area network LAN, and these terminal devices become operational.

[0083] In this manner, when the start-up operation is completed, the upload request means 31 in the specific workstation computer 2'
2, and as a result, the upload information analysis means 3
2 retrieves the upload information stored in the upload information file WFu, notifies the catalog file requesting means 33 and the version checking means 34 of information regarding the directory to be uploaded, and also sends the upload information to the file name checking means 35. Notify.

[0084] Therefore, the catalog file requesting means 3
3 forms directory information to be uploaded and transmits it to the file server computer 1 via the file transmitting/receiving means 36 as request information.

The file transmitting/receiving means 36 transmits the request information received from the catalog file requesting means 33 to the designated destination, the file server computer 1, via the local area network LAN.

In the file server computer 1, the file transmitting/receiving means 4 is transmitted via the local area network LAN.
1 receives the request information, and the file transmitting/receiving means 41 transfers the received request information to the catalog file creating means 42.

[0087] The catalog file creation means 42 extracts the size information and last modification date of all files in the directory specified by the request information, and creates the above-mentioned catalog information based on the information. Then, the catalog information is transmitted to the file transmitting/receiving means 41.
, to the specific workstation computer 2'.

[0088] In the specific workstation computer 2',
The file transmitting/receiving means 36 receives the catalog information via the local area network LAN, and the file transmitting/receiving means 36 transfers the received catalog information to the version checking means 34.

When the upload information is input from the upload information analysis means 32, the version check means 34 determines all directories containing files to be uploaded based on the content of the upload information, and selects the directory to be uploaded from the main file WFm. Extract the file names and last modification dates of all included original master files. When the catalog information is received from the file server computer 1 via the file transmitting/receiving means 36, the last modification date of the same file name is compared for each directory, and the last modification date on the original master file side is The new one is inspected and the inspection result is output to the file name checking means 35 as upload file reference information.

[0090] As a result, the file name checking means 3
Step 5 refers to the upload information to determine the file to be uploaded for each directory among the file names included in the upload file reference information, sequentially extracts the determined files from the main file WFm, and creates a group of these files. The transmission data is formed as a set of transmission data, and the transmission data is sent to the file transmission/reception means 36.
It is sent to the file server computer 1 as upload file data via the .

In the file server computer 1, the file transmitting/receiving means 41 receives the upload file data via the local area network, and the file transmitting/receiving means 41 transfers the received upload file data to the master file device MF.

[0092] The master file device MF decomposes the received upload file data into individual files and stores each file as a master file in a designated directory.

In this way, in this embodiment, among the various program files in the original master file, the program files that the user thinks need to be updated and have registered in advance in the upload information, Only what has been updated on the station computer 2' is transferred to the file server computer 1 when the specific workstation computer 2' starts up, and the contents stored in the master file device MF are updated.

[0094] Therefore, only necessary files are transferred from the specific workstation computer 2' to the file server computer 1, so that the time required to update the contents of the master file device MF is shortened.

[0095] Although the configuration of the file system shown in the above-mentioned embodiment was shown for a general operating system having a tree-structured hierarchical structure, the configuration of the file system is not limited to this.

[0096] Furthermore, in the above-described embodiment, the file name is defined by the "file name body", ". (period)", and "
The format of the file name is not limited to this. Also, how to specify the file name,
Although wild cards such as "*" and "?" can be used, the present invention can be similarly applied even if wild cards cannot be used.

[0097]

[Effects of the Invention] As explained above, according to the present invention,
Each workstation computer can specify a program to read from the master file, and
Since only updated program files are downloaded, information unique to each workstation computer is retained, and because the number of files to be downloaded is reduced, the necessary program files can be obtained in a shorter time. Further, when updating the contents of the master file, only the necessary files are uploaded, so that the effort required to maintain the master file is greatly reduced.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing a system according to an embodiment of the present invention.

FIG. 2 is a block diagram showing the detailed configuration of the system in FIG. 1.

FIG. 3 is a schematic diagram showing an example of the structure of a file system.

FIG. 4 is a schematic diagram showing an example of download information.

FIG. 5 is a schematic diagram showing an example of catalog information.

FIG. 6 is a block diagram showing a system according to an embodiment when updating a master file.

FIG. 7 is a block diagram showing an example of a distributed network system.

[Explanation of symbols]

1 File server computer 2 Workstation computer 2' Specific workstation computer 11
Master file catalog creation means 12 Download means 13, 23, 36, 41 File transmission/reception means 3
7 Upload file transmission means 111, 42
Catalog file creation means 121 Download file transmission means 211 Download request means 212 Download information analysis means 213
Catalog file requesting means 221, 34 Version checking means 222, 35 File name checking means 223 Download file requesting means MF Master file device WF File device WFd Download information file WFm
main file

Claims (2)

[Claims] Claim 1: A large number of workstation computers and file server computers are connected to the same local area network, and based on the contents of the master file stored in the file server computer, the main files stored in each workstation computer are In a program management method for workstation computers that manages the contents of program files in the same way, each workstation computer reads from a master file and notifies the file server computer of the file name of the specified program file. Regarding program files with the same file name as the file name notified from the station computer, a catalog file consisting of list information about the file version stored in the master file is created and notified to the workstation computer, and the workstation The computer compares the contents of the catalog file notified by the file server computer with the stored version information of the program file, determines the updated program file, and reads it from the master file based on the determination result. Download file information consisting of a list of program file names is notified to the file server computer, and the file server computer reads the program file specified by the download file information notified from the workstation computer from the master file, and Send the read program file to the workstation computer,
A program management method for a workstation computer, characterized in that the workstation computer updates a stored program file using a program file received from a file server computer. 2. A specific workstation computer among the workstation computers stores an original file that is the original of the master file, and the specific workstation computer sends each file name of the original file to a file server computer. Upon notification, the file server computer forms a catalog file consisting of list information regarding the version of the file stored in the master file regarding the program file with the same file name as the file name notified from the specific workstation computer. The specific workstation computer is notified, and the specific workstation computer compares the contents of the catalog file notified by the file server computer with the stored version information of the original file, and determines the newer original file. , forms an upload file for updating the master file based on the determination result, and sends the upload file to the file server computer, and the file server computer, based on the upload file received from the specific workstation computer, 2. A program management method for a workstation computer according to claim 1, further comprising updating the contents of a stored master file.