Why is it hard to call this function: sub y { "because" }

Perl Questions and Answers

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Why is it hard to call this function: sub y { "because" }

Because y is a kind of quoting operator.
The y/// operator is the sed-savvy synonym for tr///. That means y(3) would be like tr(), which would be looking for a second string, as in tr/a-z/A-Z/, tr(a-z)(A-Z), or tr[a-z][A-Z].

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