| #!/usr/bin/perl |
| |
| require "subparseform.lib"; |
| &Parse_Form; |
| print "Content-type: text/html\n\n"; |
| |
| $counter = $formdata{'counter'}; |
| |
| ++$counter; |
| print "Your number incremented by 1 is $counter"; |
| $watch = ++$counter; |
| print "<BR>Your number, incremented again by 1, is now $counter. If we store that operation, its value is also $watch."; |
| |
| $counter = $formdata{'counter'}; |
| print "<HR>Let's start over, with your original number $counter"; |
| $counter++; |
| print "<BR>Again, your number incremented by 1 is $counter"; |
| $watch = $counter++; |
| print "<BR>Now we store the value of your number in a second variable, which is now equal to $watch, and then we increment your number again. It's now $counter."; |
