renames multiple files
see also :
mv - perl
[ -v ] [ -n ]
[ -f ] perlexpr
[ files ]
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renames the filenames supplied according to the rule
specified as the first argument. The perlexpr
argument is a Perl expression which is expected to modify
the $_ string in Perl for at least some of the
filenames specified. If a given filename is not modified by
the expression, it will not be renamed. If no filenames are
given on the command line, filenames will be read via
For example, to
rename all files matching "*.bak" to
strip the extension, you might say
rename 's/\.bak$//' *.bak
uppercase names to lower, you’d use
rename 'y/A-Z/a-z/' *
Verbose: print names of files
No Action: show what files
would have been renamed.
Force: overwrite existing
If you give an invalid Perl expression you’ll get a syntax
No environment variables are used.
"rename" did not check for the existence
of target filenames, so had to be used with care. I hope
I’ve fixed that (Robin Barker).