I was recently working on a system that used a lot of flat-file db's. After the file was processed by #!perl or #!sh via cron, the file would be renamed filename~. When we would kill/restart processes, we would rename the files to their original. Pain when you have more than a few....
perl -e 'opendir(D,".");for (grep /~$/, readdir D){s/~$//;rename("$_~"
+,"$_");}'

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In reply to remove tilda from filenames with 1 liner by abaxaba

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