Why you want to call one subroutine as a parameter within another one?

It is rather common to do that. What's wrong with it, in your view? 

use strict; use warnings; use feature 'say';

print_timestamp('nigh');
print_timestamp( get_formatted_time() );

sub print_timestamp { say 'The time was ' . shift() }
sub get_formatted_time { return uc scalar localtime }

__END__

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The way forward always starts with a minimal test.

In reply to Re^2: Safe module and undefined subroutines by 1nickt
in thread Safe module and undefined subroutines by bovlb

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