Why is it hard to call this function: sub y { “because” }
By admin on Jul 14, 2007 in Perl Interview Questions
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].
