Re: Monitor changes to a file

>     On Feb 28, 2011, at 5:33 PM, Kurt Granroth wrote:

>      > Maybe incron (cron version of inotify) could trigger a script
>     that runs 'stat' on the file.  Still wouldn't give me the "who", though.

>     At first glance, I thought inotify would be perfect for this.  But
>     (as you say) it doesn't appear that inotify events contain any
>     information about which process performed the change which trigged
>     the event.

>     struct inotify_event {
>             __s32 wd;             /* watch descriptor */
>             __u32 mask;           /* watch mask */
>             __u32 cookie;         /* cookie to synchronize two events */
>             __u32 len;            /* length (including nulls) of name */
>             char name[0];        /* stub for possible name */
>     };
>     http://www.linuxjournal.com/article/8478?page=0,1

>     There are some handy-looking tools in
>     https://github.com/rvoicilas/inotify-tools/wiki/.  Seems like you
>     should be able to write a shell script to wait for a modification
>     event on your file, and run stat or lsof when the file is changed.
>       That's not perfect, since the modifying process might be done by
>     the time lsof actually runs, but it seems like it's worth a try.

>     alex
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