CN104268220B - Method and device for cleaning junk files of audio and video applications - Google Patents
Method and device for cleaning junk files of audio and video applications Download PDFInfo
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- CN104268220B CN104268220B CN201410498231.XA CN201410498231A CN104268220B CN 104268220 B CN104268220 B CN 104268220B CN 201410498231 A CN201410498231 A CN 201410498231A CN 104268220 B CN104268220 B CN 104268220B
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- G06F16/21—Design, administration or maintenance of databases
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Abstract
The embodiment of the invention discloses a method and a device for cleaning audio and video application junk files, relates to the technical field of computer application, and solves the problem that in the prior art, the audio and video application junk files occupy a large amount of storage space of a mobile terminal to slow down the running speed of the mobile terminal. The method for clearing the audio and video application junk files comprises the following steps: reading an audio and video application file; judging whether the audio and video application files are junk files or not according to the audio and video application junk file identification rule; and if the files are junk files, cleaning the audio and video application files. The embodiment of the invention is mainly used for rapidly identifying and cleaning the audio and video application junk files on the mobile terminal.
Description
Technical Field
The invention relates to the technical field of computer application, in particular to a method and a device for cleaning audio and video application junk files.
Background
At present, with the rapid development of mobile communication technology, the functional requirements of people on mobile terminals such as mobile phones and tablet computers are increasing, various applications based on the mobile terminals are increasing, and the mobile terminals have gradually become essential tools in daily work and life. Therefore, activities such as storing and editing files in the mobile terminal, playing audio and video files, browsing web pages on the internet, chatting and the like become more and more frequent, and various application programs and recording files are continuously imported and exported from the mobile terminal, so that the generation of junk files becomes an inevitable thing.
A large amount of junk files are mixed in useful files, a large amount of storage space of the mobile terminal is occupied, and the running speed of the mobile terminal is reduced in time, so that normal use of other useful files by a user is influenced. Especially, the junk files of the audio and video applications occupy a large storage space, which may seriously affect the operating speed of the mobile terminal.
In the process of implementing the invention, the inventor finds that at least the following technical problems exist in the prior art:
the audio and video application junk files in the mobile terminal occupy a large amount of storage space of the mobile terminal, so that the running speed of the mobile terminal is reduced.
Disclosure of Invention
In view of this, the method and the device for clearing the audio and video application junk files provided by the embodiment of the invention can quickly identify and clear the audio and video application junk files in the mobile terminal, release the storage space, and improve the operation speed of the mobile terminal.
On one hand, an embodiment of the present invention provides a method for cleaning an audio and video application junk file, including:
reading an audio and video application file;
judging whether the audio and video application files are junk files or not according to the audio and video application junk file identification rule;
and if the files are junk files, cleaning the audio and video application files.
On the other hand, an embodiment of the present invention provides a device for cleaning an audio and video application junk file, including:
the reading unit is used for reading the audio and video application files;
the identification unit is used for judging whether the audio and video application files are junk files according to the audio and video application junk file identification rule;
and the cleaning unit is used for cleaning the audio and video application files when the identification unit judges that the audio and video application files are junk files.
According to the method and the device for clearing the audio and video application junk files, whether the read audio and video application files are junk files or not is judged according to the audio and video application junk file identification rule, and if the read audio and video application files are the junk files, the audio and video application files are cleared. Compared with the prior art, the method and the device can quickly identify and clear the audio and video application junk files in the mobile terminal according to the audio and video application junk file identification rule, release the storage space of the mobile terminal and improve the running speed of the mobile terminal.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of an embodiment of a method for clearing junk files in audio and video applications according to the present invention;
fig. 2 is a schematic flow chart of another embodiment of the method for clearing spam files in audio and video applications according to the present invention;
FIG. 3 is a schematic flow chart of S12 in FIG. 1;
FIG. 4 is another schematic flow chart of S12 in FIG. 1;
fig. 5 is a schematic structural diagram of an embodiment of the apparatus for clearing spam files in audio and video applications according to the present invention;
fig. 6 is a schematic structural diagram of another embodiment of the apparatus for clearing spam files in audio and video applications according to the present invention;
FIG. 7 is a schematic diagram of a structure of the identification unit 12 in FIG. 5;
fig. 8 is another structural diagram of the identification unit 12 in fig. 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a method for cleaning an audio and video application junk file, including:
s11, reading the audio and video application files;
s12, judging whether the audio and video application files are junk files according to the audio and video application junk file identification rule;
and S13, if the files are junk files, cleaning the audio and video application files.
According to the method for clearing the audio and video application junk files, whether the read audio and video application files are junk files or not is judged according to the audio and video application junk file identification rule, and if the read audio and video application files are the junk files, the audio and video application files are cleared. Compared with the prior art, the method and the device can quickly identify and clear the audio and video application junk files in the mobile terminal according to the audio and video application junk file identification rule, release the storage space of the mobile terminal and improve the running speed of the mobile terminal.
Referring to fig. 2, optionally, in an embodiment of the method for cleaning the spam file of the audio and video application according to the present invention, before reading the audio and video application file (S11), the method may further include:
and S10, generating an audio and video application junk file identification rule.
Optionally, in an embodiment of the method for cleaning an audio and video application spam file according to the present invention, the generating an audio and video application spam file identification rule (S10) may include: and extracting the common rule of the cleaned audio and video application junk files to serve as the audio and video application junk file identification rule.
Referring to fig. 3, optionally, in an embodiment of the method for clearing spam files of audio and video applications according to the present invention, the determining whether the audio and video application files are spam files according to the audio and video application spam file identification rule (S12) may include:
s121, judging whether the path level of the audio and video application file is greater than or equal to 4;
s122, if the file name of the audio and video application file is larger than or equal to 4, judging whether the file name of the audio and video application file meets one of the following conditions: md5 without suffix, pure numbers with length greater than 5, 0-9a-zA-Z with length greater than 5 or directory contains "_", after being divided by "_", pure numbers with length greater than 5 or pure upper and lower case letters in the first segment; and if one of the conditions is met, the audio and video application file is a junk file.
Referring to fig. 4, optionally, in an embodiment of the method for clearing spam files of audio and video class applications according to the present invention, the determining whether the audio and video class application files are spam files according to the audio and video class application spam file identification rule (S12) may include:
s123, judging whether the path of the audio and video application file comprises one of a keyword root blacklist or not;
s124, if the file name of the audio and video application file comprises one of the keyword root blacklists, judging whether the file name of the audio and video application file meets one of the following conditions: md5 without suffix, pure numbers with length greater than 5, 0-9a-zA-Z with length greater than 5 or directory contains "_", after being divided by "_", pure numbers with length greater than 5 or pure upper and lower case letters in the first segment; and if one of the conditions is met, the audio and video application file is a junk file.
In this embodiment, optionally, the keyword root blacklist may include temp and cache. But is not limited thereto.
Optionally, in an embodiment of the method for clearing an audio and video application spam file according to the present invention, the determining whether the audio and video application spam file is a spam file according to the audio and video application spam file identification rule (S12) may include: judging whether the path of the audio and video application file contains a file which can be replaced regularly and the directory depth is more than or equal to 6; if the files contain files which can be replaced regularly and the directory depth is greater than or equal to 6, the audio and video application files are junk files.
Optionally, in an embodiment of the method for clearing an audio and video application spam file according to the present invention, the determining whether the audio and video application spam file is a spam file according to the audio and video application spam file identification rule (S12) may include: judging whether the audio and video application file is an advertisement video of a playing class; and if the advertisement video of the playing class is played, the audio and video application file is a junk file.
Optionally, in an embodiment of the method for clearing an audio and video application spam file according to the present invention, the determining whether the audio and video application file is an advertisement video of a playing class may include: judging whether the path of the audio and video application file contains a keyword root of the advertisement characteristic or not; and if the keyword root of the advertisement characteristic is contained, the audio and video application file is the advertisement video of the playing class.
In this embodiment, optionally, the keyword root of the advertisement characteristic may include metadata, adimage, adimg, adimages, adimgs, addtitigments, advert, adverts, ad, ads,. ad, _ ad, ad _, ad-, gamead,. gamead, -ad, adv, _ ads, ads _, -ads-, adv _, _ adv, _ chartboost, lazyList, btlcache, or leader. But is not limited thereto.
Referring to fig. 5, an embodiment of the present invention provides a device for cleaning an audio and video application spam file, where the device for cleaning an audio and video application spam file includes: the reading unit 11 is used for reading the audio and video application files; the identification unit 12 is used for judging whether the audio and video application files are junk files according to the audio and video application junk file identification rule; and the cleaning unit 13 is configured to clean the audio and video application files when the identification unit 12 determines that the audio and video application files are junk files.
The device for cleaning the audio and video application junk files provided by the embodiment of the invention judges whether the read audio and video application files are junk files according to the audio and video application junk file identification rule, and if the read audio and video application files are the junk files, the audio and video application files are cleaned. Compared with the prior art, the method and the device can quickly identify and clear the audio and video application junk files in the mobile terminal according to the audio and video application junk file identification rule, release the storage space of the mobile terminal and improve the running speed of the mobile terminal.
Referring to fig. 6, optionally, in an embodiment of the apparatus for clearing an application spam file of an audio and video class, the apparatus for clearing an application spam file of an audio and video class may further include:
and the generating unit 10 is used for generating an audio and video application junk file identification rule.
Optionally, in an embodiment of the apparatus for cleaning an audio and video application spam file according to the present invention, the generating unit 10 may be configured to extract a commonality rule of the cleaned audio and video application spam file, and use the commonality rule as an audio and video application spam file identification rule.
Referring to fig. 7, optionally, in an embodiment of the apparatus for cleaning spam files in an audio and video class application according to the present invention, the identifying unit 12 may include:
the first judging module 121 is configured to judge whether a path level of the audio/video application file is greater than or equal to 4;
the second judging module 122 is configured to, when the first judging module 121 judges that the path level of the audio/video application file is greater than or equal to 4, judge whether the file name of the audio/video application file meets one of the following conditions: md5 without suffix, pure numbers with length greater than 5, 0-9a-zA-Z with length greater than 5 or directory contains "_", after being divided by "_", pure numbers with length greater than 5 or pure upper and lower case letters in the first segment; if the second judging module 122 judges that the file name of the audio and video application file meets one of the above conditions, the audio and video application file is a junk file.
Referring to fig. 8, optionally, in an embodiment of the apparatus for cleaning spam files in an audio and video class application according to the present invention, the identifying unit 12 may include:
the third judging module 123 is configured to judge whether a path of the audio/video application file includes one of a keyword root blacklist;
a fourth judging module 124, configured to, when the third judging module 123 judges that the path of the audio/video application file includes one of the keyword root blacklists, judge whether the file name of the audio/video application file meets one of the following conditions: md5 without suffix, pure numbers with length greater than 5, 0-9a-zA-Z with length greater than 5 or directory contains "_", after being divided by "_", pure numbers with length greater than 5 or pure upper and lower case letters in the first segment; if the fourth judging module 124 judges that the file name of the audio and video application file meets one of the above conditions, the audio and video application file is a junk file.
In this embodiment, optionally, the keyword root blacklist may include temp and cache. But is not limited thereto.
Optionally, in an embodiment of the apparatus for cleaning an audio and video application junk file, the identifying unit 12 may be configured to determine whether a path of the audio and video application file includes a path that can be regularly replaced and a directory depth is greater than or equal to 6; if the files contain files which can be replaced regularly and the directory depth is greater than or equal to 6, the audio and video application files are junk files.
Optionally, in an embodiment of the apparatus for cleaning an audio and video application spam file according to the present invention, the identification unit 12 may be configured to determine whether the audio and video application file is an advertisement video of a playing class; and if the advertisement video of the playing class is played, the audio and video application file is a junk file.
Optionally, in an embodiment of the apparatus for cleaning an audio and video application spam file according to the present invention, the identification unit 12 may be configured to determine whether a path of the audio and video application file includes a keyword root of an advertisement characteristic; and if the keyword root of the advertisement characteristic is contained, the audio and video application file is the advertisement video of the playing class.
In this embodiment, optionally, the keyword root of the advertisement characteristic may include metadata, adimage, adimg, adimages, adimgs, addtitigments, advert, adverts, ad, ads,. ad, _ ad, ad _, ad-, gamead,. gamead, -ad, adv, _ ads, ads _, -ads-, adv _, _ adv, _ chartboost, lazyList, btlcache, or leader. But is not limited thereto.
The method and the device for cleaning the audio and video application junk files provided by the embodiment of the invention can be suitable for quickly identifying and cleaning the audio and video application junk files on the mobile terminal, releasing the storage space of the mobile terminal and improving the running speed of the mobile terminal.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. A method for cleaning junk files of audio and video applications is characterized by comprising the following steps:
reading an audio and video application file;
judging whether the audio and video application files are junk files or not according to the audio and video application junk file identification rule;
if the files are junk files, cleaning the audio and video application files; wherein,
the judging whether the audio and video application files are junk files according to the audio and video application junk file identification rule comprises the following steps: judging whether the path level of the audio and video application file is greater than or equal to 4; if the file name of the audio and video application file is greater than or equal to 4, judging whether the file name of the audio and video application file meets one of the following conditions: md5 without suffix, pure numbers with length greater than 5, 0-9a-zA-Z with length greater than 5 or directory contains "_", after being divided by "_", pure numbers with length greater than 5 or pure upper and lower case letters in the first segment; if one of the conditions is met, the audio and video application file is a junk file; or,
the judging whether the audio and video application files are junk files according to the audio and video application junk file identification rule comprises the following steps: judging whether the path of the audio and video application file comprises one of a keyword root blacklist or not; if the file name of the audio and video application file meets one of the following conditions, judging whether the file name of the audio and video application file meets one of the following conditions: md5 without suffix, pure numbers with length greater than 5, 0-9a-zA-Z with length greater than 5 or directory contains "_", after being divided by "_", pure numbers with length greater than 5 or pure upper and lower case letters in the first segment; if one of the conditions is met, the audio and video application file is a junk file; or,
the judging whether the audio and video application files are junk files according to the audio and video application junk file identification rule comprises the following steps: judging whether the path of the audio and video application file contains a file which can be replaced regularly and the directory depth is more than or equal to 6; if the file contains the file which can be replaced regularly and the directory depth is greater than or equal to 6, the audio and video application file is a junk file; or,
the judging whether the audio and video application files are junk files according to the audio and video application junk file identification rule comprises the following steps: judging whether the audio and video application file is an advertisement video of a playing class; and if the advertisement video of the playing class is played, the audio and video application file is a junk file.
2. The method for clearing the spam files of the audio and video applications according to claim 1, wherein before the reading of the audio and video application files, the method further comprises:
and generating an audio and video application junk file identification rule.
3. The method for cleaning the audio and video application spam files according to claim 2, wherein the generating of the audio and video application spam file identification rules comprises:
and extracting the common rule of the cleaned audio and video application junk files to serve as the audio and video application junk file identification rule.
4. The method for cleaning the audio and video application junk files according to claim 1, wherein the keyword root blacklist includes temp and cache.
5. The method for clearing the spam files of the audio and video applications according to claim 1, wherein the step of judging whether the audio and video application files are advertisement videos of a playing class comprises the following steps:
judging whether the path of the audio and video application file contains a keyword root of the advertisement characteristic or not;
and if the keyword root of the advertisement characteristic is contained, the audio and video application file is the advertisement video of the playing class.
6. The method for cleaning up the junk files in the audio and video applications according to claim 5, wherein the keyword root of the advertisement characteristics comprises metadata, adimage, adimg, adimages, adimgs, addvertisement, addvertt, addts, ad, ads,. ad, _ ad, ad _, ad-, gamead,. ad, adv,. ads,., -ads,. adv _, ad _, adv-, -adv,. chartboost, lazyList, btitche, or leader.
7. A cleaning device for audio and video application junk files is characterized by comprising:
the reading unit is used for reading the audio and video application files;
the identification unit is used for judging whether the audio and video application files are junk files according to the audio and video application junk file identification rule;
the cleaning unit is used for cleaning the audio and video application files when the identification unit judges that the audio and video application files are junk files; wherein,
the identification unit includes: the first judgment module is used for judging whether the path level of the audio and video application file is greater than or equal to 4; the second judging module is used for judging whether the file name of the audio and video application file meets one of the following conditions when the first judging module judges that the path hierarchy of the audio and video application file is greater than or equal to 4: md5 without suffix, pure numbers with length greater than 5, 0-9a-zA-Z with length greater than 5 or directory contains "_", after being divided by "_", pure numbers with length greater than 5 or pure upper and lower case letters in the first segment; if the second judging module judges that the file name of the audio and video application file meets one of the conditions, the audio and video application file is a junk file; or,
the identification unit includes: the third judgment module is used for judging whether the path of the audio and video application file comprises one of the keyword root blacklists; a fourth judging module, configured to, when the third judging module judges that the path of the audio/video application file includes one of the keyword root blacklists, judge whether the filename of the audio/video application file meets one of the following conditions: md5 without suffix, pure numbers with length greater than 5, 0-9a-zA-Z with length greater than 5 or directory contains "_", after being divided by "_", pure numbers with length greater than 5 or pure upper and lower case letters in the first segment; if the fourth judging module judges that the file name of the audio and video application file meets one of the conditions, the audio and video application file is a junk file; or,
the identification unit is used for judging whether the path of the audio and video application file contains a file which can be replaced regularly and has a directory depth greater than or equal to 6; if the file contains the file which can be replaced regularly and the directory depth is greater than or equal to 6, the audio and video application file is a junk file; or,
the identification unit is used for judging whether the audio and video application file is an advertisement video of a playing class; and if the advertisement video of the playing class is played, the audio and video application file is a junk file.
8. The apparatus for clearing spam files in audio and video applications according to claim 7, further comprising:
and the generating unit is used for generating the identification rule of the audio and video application junk file.
9. The apparatus for cleaning application spam files of audio and video files according to claim 8, wherein the generating unit is configured to extract a commonality rule of the cleaned application spam files of audio and video files as an identification rule of the application spam files of audio and video files.
10. The apparatus for cleaning spam files in audio and video applications according to claim 7, wherein the blacklist of keyword roots includes temp and cache.
11. The apparatus for cleaning spam files in audio and video applications according to claim 7, wherein the identification unit is configured to determine whether a path of the audio and video application file contains a keyword root of an advertisement characteristic; and if the keyword root of the advertisement characteristic is contained, the audio and video application file is the advertisement video of the playing class.
12. The apparatus for cleaning spam files in audio-video applications of claim 11, wherein the keyword root of the advertisement characteristic comprises metadata, adimage, adimg, adimages, adimgs, addenduction, addvert, addverts, ad, ads,. ad, _ ad, ad _, ad-, gamead,. ad, adv, _ ads, ads _, -ads, ads _, adv _, _ adv, _ chartboost, lazyList, btitledbook or leader.
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| CN105224574B (en) | 2014-06-30 | 2019-02-19 | 北京金山安全软件有限公司 | Method and device for automatically identifying junk files |
| CN107609066A (en) * | 2017-08-30 | 2018-01-19 | 努比亚技术有限公司 | Method, equipment and the computer for clearing up file can storage mediums |
| CN115098449B (en) * | 2022-08-26 | 2023-07-07 | 荣耀终端有限公司 | File cleaning method and electronic equipment |
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