'Is there a perl module equivalent to python's optparse.OptionParser? [closed]
I have a new script that I need to write in perl, to leverage our perl codebase (no, I can't convert it, not yet anyway). Our coding standards dictate Getopt::Long::GetOptions() but I realize my option handling would be greatly improved and simplified if I could just drop python's optparse.OptionParser into it. The things I like in python: validation of inputs, both formats and required/optional, and auto help string generation based on argument config.
Any tips? I know I could roll my own, but I'd rather use someone else's work if it's already been done.
Solution 1:[1]
The canonical tool is Getopt::Long. It's not "declarative" as such. Is there some specific behavior you are trying to replicate?
EDIT: For more power, you might be interested in App::Cmd or parts of it (see also App::Cmd::Tutorial).
Internally this uses Getopt::Long::Descriptive which seems to meet most of your requirements. This might be especially useful for you because internally it uses Getopt::Long and Params::Validate, so it might be very easy to move your current code base but now have validation.
Solution 2:[2]
There are lots of options in the GetOpt namespace on CPAN.
GetOpt::Std and GetOpt::Long are both core modules.
Solution 3:[3]
Now there is: Getopt::optparse
Solution 4:[4]
MooseX::Getopt and MooX::Options are, well... options. Both work similarly, and both use Getopt::Long::Descriptive under the hood, integrating it with a class to provide advanced validation and defaulting as well as help text. Then you just use the new_with_options constructor and you get an instance of the class with all of its slots filled in from the commandline.
Sources
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Source: Stack Overflow
| Solution | Source |
|---|---|
| Solution 1 | brian d foy |
| Solution 2 | Quentin |
| Solution 3 | mhearse |
| Solution 4 | hobbs |