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July 14, 2016 08:46
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Save meyju/e677070274c968ba8823faa0eb6dd807 to your computer and use it in GitHub Desktop.
Remove all files older than X days, but keep at least the Y youngest
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| KEEP=2 OLDERTHEN=4;find /backups/ -type f -mtime +${OLDER} -printf '%T@ %p\n'|sort -nr | tail -n +${KEEP}|awk '{print $2}'|xargs -r rm -f | |
| # For Crontab: escape the % in printf option => -printf '\%T@ \%p\n' |
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