You cannot have more than one statement modifier, and you can't make up syntaxt :) 
die "Unknown char! \n" unless exists $testHash{$_} for (@test);

[download]
is better written as 
die "Unknown char! \n" unless grep { exists $testHash{$_} } @test;

[download]

In reply to Re: checking array elements aginst another array by Anonymous Monk
in thread checking array elements aginst another array by coldy

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