To make that work you have to construct a "simple statement" for the outer statement modifier (the for loop)

do { die "Unknown char! \n" unless exists $testHash{$_} } for (@test);

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Read the paragraph 'Simple Statements' in perlsyn man page if you want to know more

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

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