scan-perl-prereqs [--by-file] [--pretty] [DIRS | FILES]
Directories are traversed with File::Find to collect all .pl, .pm,
.psgi and .t files. If no directories or files are specified, the current
working directory is scanned.
The default is to print a single combined list suitable for piping to cpanm
or similar tools.
The --by-file switch will print results grouped by the files in which they
The --pretty swith will print results in a more human-friendly format, with
names and versions vertically aligned.