use strict; use Sub::NamedParams qw(wrap); wrap( 'sub' => 'ask_ok', names => [qw(prompt retries complaint)], hashref => 1, default => { prompt => 'Enter answer:', retries => 4, complaint => 'Yes or no, please!', } ); sub ask_ok { my ($prompt,$retries,$complaint) = @_; { print $prompt; chomp (my $answer = <>); return 1 if $answer =~ /y\b|ye\b|yes\b/; return 0 if $answer =~ /n\b|no\b|nop\b|nope\b/; $retries--; die 'refusenik user' if $retries < 0; print "$complaint\n"; redo } } my $quit; while (not $quit) { $quit = ask_ok({prompt => 'Do you really want to quit?'}); }