use feature qw( say ); or equivalent is required for backwards compatibility reasons. Many scripts and modules already had a sub named say when say was added to Perl, so it's not available by default in order to avoid breaking these scripts and modules.

In reply to Re^5: Is there a way to compare strings without using an array? (say) by ikegami
in thread Is there a way to compare strings without using an array? by Jeri

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