Hi. Tell my please. Why this don't work? Thanks. 

sub example {
               do {
                    $av = irand(20) +1;
                    $bv = irand(11) +1;
                    $cv = (irand(2))?"+":"-";
                  } until (!($av $cv $bv >= 0 && $av $cv $bv <= 20));
               print $av $cv $bv;
            }

[download]

gen.pl|38| Scalar found where operator expected at /home/monorels/iperl/gen.pl line 38, near "$cv $bv" (Missing operator before $bv?) 3 gen.pl|38| Scalar found where operator expected at /home/monorels/iperl/gen.pl line 38, near "$av $cv" (Missing operator before $cv?) 4 gen.pl|38| Scalar found where operator expected at /home/monorels/iperl/gen.pl line 38, near "$cv $bv" (Missing operator before $bv?) 5 gen.pl|39| Scalar found where operator expected at /home/monorels/iperl/gen.pl line 39, near "$cv $bv" (Missing operator before $bv?) 6 gen.pl|38| syntax error at /home/monorels/iperl/gen.pl line 38, near "$av $cv " 7 gen.pl|39| syntax error at /home/monorels/iperl/gen.pl line 39, near "$cv $bv"

In reply to cv = (irand(2))?"+":"-"; by monorels

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