Speaking of idioms...

after which you can say 
rename $file, $new_name;

[download]

The following idiom helps prevents renaming disasters:

rename $file, $new_name unless -e $new_name;

[download]

That is, don't rename a file if it would cause an existing file to be unlinked. It's easier to fix up the mess of a file that hasn't been renamed than one that no longer exists...

• another intruder with the mooring in the heart of the Perl

In reply to Re^2: rename files with mtime by grinder
in thread rename files with mtime by pbaumgar

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