====== Linux - Files - Rename files in a directory to lower-case ======

===== Using perl =====

<code bash>
perl -e 'rename($_, lc) || warn "$_: $!\n" for @ARGV' *
</code>

----

==== Do this recursively ====

<code bash>
find . -type f -exec perl -e 'rename($_, lc) || warn "$_: $!\n" for @ARGV' {} \;
</code>