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Shell Programming and Scripting

File size alert

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# 1  
Old 10-03-2011
File size alert
Hello,

I want to check the size of text files in a directory continuously via cronjob.
I would like to receive an e-mail alert if the file is greater than 0 kb.

Thank you for your help.
Last edited by hoo; 10-03-2011 at 12:18 PM.. Reason: .
# 2  
Old 10-03-2011
Try with..
Code:
wc -c < file

# 3  
Old 10-03-2011
From the man page of test:
Quote:
-s FILE
FILE exists and has a size greater than zero
So it's a simple if with test, and if the result is true send a mail using mailx.
# 4  
Old 10-03-2011
Code:
[ -s infile ] || mailx -s "Alert" yourmailbox

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