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TO know whether file is updating or not


 
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# 1  
Question TO know whether file is updating or not

Hi All,

I am new to scripting.

my requirement is ,

I want to know whether the file(i.e., log file) is updating or not.
It should search for every 15 min. If it is not updating means it needs to send out a automatic mail.

can you please help me in this.
# 2  
Something like

Code:
#!/bin/sh
while true
do
      if test thefile -ot magic
      then
            echo "stale" | mailx -s warning foo@bar
      fi
      touch magic
      sleep 900
done

# 3  
Its working now.

Thanks , Its working.

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