What do you want returned? Identify prints it's output to the terminal. If you want to capture the output for regexing, run the c command thru backticks or a piped open. 
#my $return = `identify -verbose  $file`;
#print $return;
my $pid = open(my $fh,"identify -verbose $file |");
while(<$fh>){print }

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In reply to Re^3: Reading an image palette by zentara
in thread Reading an image palette by leocharre

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