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Batch + regex + 7-zip

Posted on 2015-01-23
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Last Modified: 2015-01-26
Hi,

I am currently working on a batch script to compress files with 7-zip but I am having some difficulty with regular expressions.

I would like to compress any log file that ends with digits 0 to 365.

example :

data.log.001
data.log.002
data.log.365

Here is my batch file :

IF  EXIST C:\data\test.log.* (
"C:\Program Files\7-Zip\7z.exe" a -tzip "C:\data\archives\test.zip" "C:\data\test.log.*" -mm=lzma -mx9
) ELSE (

exit
)

The problem is that even if there is no log file, the batch file will still create an empty zip file in C:\data\archives
I tried several things like test.log.* test.log.??? test.log.[0-3][0-9][0-9] but nothing works.

To summarize, I just want compress existing log file that ends with digits 0 to 365 in C:\data. If there is no log file the batch file exit.

Any idea?

Thank you
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Question by:spmt
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7 Comments
 
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Expert Comment

by:frankhelk
ID: 40566340
Hmmm - I personally hate such overcombined statements ... maybe you could try

IF NOT EXIST C:\data\test.log.* exit
"C:\Program Files\7-Zip\7z.exe" a -tzip "C:\data\archives\test.zip" "C:\data\test.log.*" -mm=lzma -mx9

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Author Comment

by:spmt
ID: 40566413
Thank you for your reply.

It still creates an empty zip file when there is no log file in C:\data and in that way it still compress log file like test.log.04587545.

I just want it compress the log file ending with 3 digits (000 to 365)
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LVL 26

Expert Comment

by:NVIT
ID: 40566463
There's probably a better way than this but this should work...
forfiles /m test.log.??? /c "cmd /c echo @file>>Files.txt"

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Pass Files.txt to 7-zip. I don't recall the specific option name. Look it up.
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Author Comment

by:spmt
ID: 40567097
In that way it does not recognize the 7-zip command.
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LVL 26

Accepted Solution

by:
NVIT earned 2000 total points
ID: 40567168
See the -i (Include filenames) switch in the 7-zip help.

Revise your .bat to something like:
forfiles /p C:\data /m test.log.??? /c "cmd /c echo @file>>Files.txt"
if exist Files.txt "C:\Program Files\7-Zip\7z.exe" a -tzip "C:\data\archives\test.zip" @Files.txt -mm=lzma -mx9

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Author Comment

by:spmt
ID: 40571018
It works like that thank you very much!
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LVL 26

Expert Comment

by:NVIT
ID: 40571029
Thanks for the update, spmt! I'm glad it turned out well for you.
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