Hi,

I would like to be able to delete a file after 30mins, what would the could be for that to check to make sure it 30mins and older ?

Regards,
Garry

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Regards,
Garry

put that in crontab

0/30 * * * * rm file

That won't work. Say the file gets created at 00:20. Ten minutes later, at 00:30, the file gets removed, but it was only ten minutes old.

If it's a regular file, try

find filename -cmin +30 -print | xargs rm

find will only output the filename if it was created at least 30 minutes ago (technically, if its ctime is more than 30 minutes ago), so if the file is newer, its filename doesn't get piped to xargs.

A minor gotcha with this; if you can't trust the filenames (eg someone else could have put them in) then use "-print0" and "xargs -0" because filenames with spaces, embedded returns or other funny characters could cause problems.

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Rgds
Stephen
(Linux user since kernel version 0.11)