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Getting a files last modified time in minutes.

Posted on 2001-07-13
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Last Modified: 2010-04-21
I am on a RedHat 7.1 system in the bash shell.

I am very new to .sh scripts and have gotten stuck finding a way to do the following:

I want to query a file from a shell script and get it's last modified time in minutes, rounded.  I am taking this and comparing it against various charts to say.....(example)

If modifed in under the last 5 minutes, do A
If modified between 5 and 10 minutes, do B
If modified greater than 10 minutes ago, do C

The problem, I can't figure out how to get the last modified date in minutes and throw it into a variable.

All I can figure out is how to do a standard -N $file and simply know if it's beeen modified at all since it was last looked at.  This won't do as I need.

Can anyone help?

Thank you,
Frank
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Question by:GrungyApe
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4 Comments
 
LVL 51

Expert Comment

by:ahoffmann
ID: 6281762
ls -l file | gawk '{print substr($8,index($8,":")+1)}'
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LVL 51

Expert Comment

by:ahoffmann
ID: 6281763
ls -l file | gawk '{print substr($8,index($8,":")+1)}'
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Accepted Solution

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interiot earned 400 total points
ID: 6282008
set minsmodded=`perl -le 'print int((time-(stat shift)[9])/60+.5)' filename.txt`


That sets $minsmodded to be the number of minutes since filename.txt has been modified.


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Author Comment

by:GrungyApe
ID: 6282101
Perfect, exactly as I needed!
Thank you!
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