gzip specific month in command line linux

fspalero

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Hi,

Anyone can help on how to gzip a file on a specific month (Jan to Jun)?

files not compress:
344K -rw-r----- 1 sysadmin 340K Jan 11 00:51 filesys_2_0_280011584_280016896.1563382271044
63M -rw-r----- 1 sysadmin 63M Jan 16 00:51 filesys_0_0_0_0.1563382271055
200M -rw-r----- 1 sysadmin 200M Mar 19 00:58 filesys_3_0_316005326848_316008597248.1563382694108
63M -rw-r----- 1 sysadmin 63M May 10 00:58 filesys_0_0_0_0.1563382694272
72K -rw-r----- 1 sysadmin 68K Jun 28 01:04 filesys_1_0_51731008_51731968.1563383066812
63M -rw-r----- 1 sysadmin 63M Jul 22 01:04 filesys_0_0_0_0.1563383066848
...
...
...

files need to compress output
344K -rw-r----- 1 sysadmin 340K Jan 11 00:51 filesys_2_0_280011584_280016896.1563382271044.gz
63M -rw-r----- 1 sysadmin 63M Jan 16 00:51 filesys_0_0_0_0.1563382271055.gz
200M -rw-r----- 1 sysadmin 200M Mar 19 00:58 filesys_3_0_316005326848_316008597248.1563382694108.gz
63M -rw-r----- 1 sysadmin 63M May 10 00:58 filesys_0_0_0_0.1563382694272.gz
72K -rw-r----- 1 sysadmin 68K Jun 28 01:04 filesys_1_0_51731008_51731968.1563383066812.gz
63M -rw-r----- 1 sysadmin 63M Jul 22 01:04 filesys_0_0_0_0.1563383066848
...
...
...
Thank you in advance,
FSPalero
 


Hey there,

So you want to compress anything that was created from Jan to Jun and you can only go by the create/modify date (ie: nothing in the filename will tell you?)
 
Hey there,

So you want to compress anything that was created from Jan to Jun and you can only go by the create/modify date (ie: nothing in the filename will tell you?)

Hi Rob,

Yes.

Thanks in advance
 
Find has options which allow you to search for files by their create/modified/accessed timestamp.
Rather than trying to explain those options here - here's a link to an answer that somebody posted on stackoverflow:
https://stackoverflow.com/questions/18339307/find-files-in-created-between-a-date-range#23508622

Using some of those options with find, you can find the files you are looking for. And then you can use finds -exec option to gzip any files that are found. So you should be able to do it all in a single command.

Looking at your screenshots - the pattern for the files you're searching for is "filesys_*" and you're looking for files created between January and June.

So putting that into a find command, it should look something like this:
Bash:
find /path/to/search -type f -iname "filesys_*" -newerct "1 Jan 2019" ! -newerct "30 Jun 2019" -exec gzip {} \;

The above command will find and gzip any files which have filenames that begin with "filesys_" that were created between the 1st of January 2019 and the 30th of June.

NOTES: Replace /path/to/search with the path you will be searching for the files in.

The above also uses the assumption that all of the files you're looking for have the "filesys_" prefix in their file-names.
If this is NOT correct - then remove -iname "filesys_*" from the command and it will just search for ALL files created between the two dates.

You can also search by access time and modification time using finds -newerat and -newermt options. But I'm assuming that you want to do this by creation date.

Also the dates for finds -newer*t options can be specified in any date-string format that works with the date -d command.
So for example you could specify the start/end dates as -newerct 20190101 ! -newerct 20190630

See man date for more details. Also I think the link I've posted mentions this too!

Hopefully this helps!
 
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