"rename" renames the filenames supplied according to the rule specified
Scusate, magari sono idiota e ancora non lo so, ma non capisco proprio, questo è il man di rename, devo solo rinominare 800 files da *.JPG a *.jpeg, e come cacchilus si fa?
as the first argument. The perlexpr argument is a Perl expression
which is expected to modify the $_ string in Perl for at least some of
the filenames specified. If a given filename is not modified by the
expression, it will not be renamed. If no filenames are given on the
command line, filenames will be read via standard input.
For example, to rename all files matching "*.bak" to strip the exten-
sion, you might say
rename 's/\.bak$//' *.bak
To translate uppercase names to lower, you'd use
rename 'y/A-Z/a-z/' *