You have to declare your variables before using them.
use strict;

my $useTR = "SOMETHING";
# or:  our $useTR = "SOMETHING";
# or:  use vars qw/ $useTR /;

if ($useTR) {
   print "useTR = $useTR\n";
}

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In reply to Re: use strict; and command line options by Roger
in thread use strict; and command line options by hehenoobhehe

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