my @problems = (1,2,3);
for my $problem (@problems) {
   push @problems, $problem if $problem;
}

[download]

That should probably be written as: 

my @problems = ( 1, 2, 3 );
push @problems, grep $_, @problems;

[download]

In reply to Re: push in for loop by jwkrahn
in thread push in for loop by Sewi

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