grep returns an array of matched elements. So if there are no matches, then the first array element is undefined. A better way would be 


my @vndr_keys = grep { $args->{desc} =~ m/$_/i } keys %vendors;

if (@vndr_keys) {
  #do something
} else {
  #do something else
}

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-Mark

In reply to Re: no grep match returns undefined? by kvale
in thread no grep match returns undefined? by c

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