| #!/usr/bin/perl |
| |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| |
| 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."; |
