|No such thing as a small change|
Re: how to write script usage sub routine for the perl file? the dynamic duo with Pod::Usageby Discipulus (Abbot)
|on Apr 03, 2017 at 07:54 UTC||Need Help??|
Hello perlanswers and welcome to the monastery and to wonderful world of Perl!
There are many way to do it but I found the following particulary useful and versatile: The Dynamic Duo --or-- Holy Getopt::Long, Pod::UsageMan!
Infact Pod::Usage can semplfy a lot such part of a program: it can shows sections of your choice of the POD embed in the program (I'm used to put the POD after the __DATA__ token), it has the ability to modify the exit value with the useful NOEXIT feature.
The module can semplify a lot the help and manual commandline options; let's see it's recommendend usage:
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