While it is correct that one should quote strings, it's by no means required (unless one uses strict, which again is highly recommended). 
$ perl -E 'if (foo eq "foo") { say STDOUT yes } '
yes

[download]

I really don't recommend it, but it does work without quotes.

In reply to Re^3: why dosn't my code work? by moritz
in thread why dosn't my code work? by Anonymous Monk

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