Well, this 
push @ary, "foo" unless grep { "foo" } @ary;

[download]

is a funny way to say 

push @ary, "foo" if 0 == @ary;

[download]

so it is just TIMTOWTDI ;-)

perl -le'print map{pack c,($-++?1:13)+ord}split//,ESEL'

In reply to Re: "Useless use of a constant" in grep block? by shmem
in thread "Useless use of a constant" in grep block? by perlancar

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