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  1. or download this
    use strict;
use warnings;
...
}

printf("%+.0f\n", movement(@ARGV));
  2. or download this
    >perl movement.pl 1.0025 1.003
+5

>perl movement.pl 10.025 10.03
+5
  3. or download this
    >perl movement.pl 98000 99000
+1000
...

>perl movement.pl 99000 98000
-1000