... used or instead of an if-statement because, when using grep, he had to.

No, s/he didn't "have" to.

print "$_\n" for grep {
        if ($_%2) {$a=1} else {$a=0} $a
    } 1..10;

[download]

Yes, it's uglier, but possible.

In reply to Re^2: Unable to Understand grep and hash use for prime no. by Anonymous Monk
in thread Unable to Understand grep and hash use for prime no. by shankonit

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