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#!/usr/bin/env perl ... my $input = prompt('Enter: ', 50); print "$input\n";
use Test::More; ... ok 0 == $exit, 'Clean exit code.'; like $stderr, qr/^\QIs interactive? No/, 'Detected non-interactive mod +e.'; is $stdout, "Enter: [50] 50\n50\n", 'Correct output.';