Files Deletion After 20 Minutes

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# 1  
Old 10-14-2009
Files Deletion After 20 Minutes

Hi, everyone. Could you help me with deletion of files, which are 20 minutes old.
I found out how to make deletion for files in that way :
find <dir> -mtime n -exec rm -rf "{}"

Could you offer your suggestions.
Many thanks in advance.
# 2  
Old 10-14-2009
mtime measures in hours, for minutes use mmin. If your find doesn't have mmin, 1 hour may be the best you can do with find.

You are missing the ';' parameter on the end that tells -exec when to stop.

I'd put {} into single quotes instead of double in case the shell tries to parse it into some sort of statement.

The -r parameter to rm is only needed for recursively deleting directories. If you're only deleting files, give yourself some extra safety by leaving it off.

find dir -mmin 20 -exec rm -f '{}' ';'

# 3  
Old 10-15-2009
Corona688, thanks a lot. I don't have parameter mmin in Solaris10, can you explain how I suppose to use an hour time period? Is it like find dir -mtime 0.025 -exec rm -f '{}' ';'??
# 4  
Old 10-15-2009
Yep, you cannot do that way.

It requires a non fractional number.
# 5  
Old 10-15-2009
Touch a dummy file and find all file older that dummy.
Search the forum for solution.
# 6  
Old 10-15-2009
Further to danmero.
At the time of creation:
touch 20_minutes_ago

then 20 minutes later:
find <dir> -type f ! -newer touch_20_minutes_ago -exec echo "{}" \;

Replace "echo" with your "rm" command if you are happy to delete the files.

Last edited by methyl; 10-15-2009 at 05:49 PM.. Reason: Tidy post
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