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  1. or download this
    #!/usr/bin/perl
    use strict;
    ...
    Useless use of numeric gt (>) in void context at C:\Projects_Perl\test
    +ing\CommaTruth.pl line 15.
    example1: ok, x>1
    example2: x is not <0
    
  2. or download this
    #!/usr/bin/perl
    use strict;
    ...
       print "I'm looping until you type q or quit\n";
    }
    print "loop exited\n";