Trigger action each time a file is modified

Question

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Can a bash script be hooked to a file?

Is it possible to mount a mechanism to a file to perform an action (e.g. mark the change in some log file and such) each time the file is modified? I would like to be able to see what all the files modified are in a given time period or receive an alert each time someone modifies a file.

Probably the linux audit daemon (auditd) can be used for this. — goldilocks, Dec 07 '12 at 18:22

score 5 · Accepted Answer · answered Dec 07 '12 at 18:12

5

You can use incron for this if your os and filesystem support inotify.

answered Dec 07 '12 at 18:12

Dennis Kaarsemaker

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I am on RHEL 5.8 -- do have a man page for inotify but couldn't find the exe in the path – amphibient Dec 07 '12 at 18:22
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RHEL doesn't ship it, so you need to install it yourself. – Dennis Kaarsemaker Dec 07 '12 at 18:25

Trigger action each time a file is modified

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