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script to watch changes on a directory


 
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# 1  
script to watch changes on a directory

Hi, everybody

I want to know hot to watch changes on a dir, for example if someone changes a file inside it, with an script. I've tried using md5sum and then diff, sadly with no success.
I use md5sum for single files, but doesn't work for directories. The idea is take a snapshot with md5sum, store it on a text file and the put a cron to do the same and compare it with diff against the text file.

Well, if you already got this kind of script, maybe you can share with me.
Thanks!!!
# 2  
Sounds like an excellent idea, something like

Code:
find directory -type f | xargs -n 1 md5sum >signatures

# 3  
Thanks

Thanks Porter for your help. It worked fine.
# 4  
you could ' dnotify ' but not on NFS
# 5  
For the sake of completeness I will mention that some OSes such as Solaris 10 have this already available in one form or another, and also you could consider using tripwire is an option for doing this in a configurable way.
 

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