This is a perfect opportunity to take advantage of can e.g 
&$_ for map { __PACKAGE__->can($_) || () } @ARGV;

[download]
That map provides the for with a list of subroutines that exist in the current package whose names correspond to the values in @ARGV.
HTH

_________
broquaint

In reply to Re: using a sub routing as an argument by broquaint
in thread using a sub routing as an argument by gitarwmn

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