Reference: find_perl (Perl in a Nutshell)

find_perl

find_perl version, \names, \dirs, trace

Searches for an executable Perl. Takes the following arguments:

version: The executable must be at least the version given by version.
\names: Array reference. The name of the executable must be an entry in the array.
\dirs: Array reference. The executable must be in a directory that is one of the entries in the array.
trace: If trace is true, prints debugging information.


Reference: file_name_is_absolute		Reference: guess_name