Top "Getopt-long" questions

Getopt::Long is a command line switch parsing library for Perl.

getopt does not parse optional arguments to parameters

In C, getopt_long does not parse the optional arguments to command line parameters parameters. When I run the program, …

c arguments getopt getopt-long optional-arguments
Using getopt in C with non-option arguments

I'm making a small program in C that deals with a lot of command line arguments, so I decided to …

c arguments argv getopt getopt-long
How to support both short and long options at the same time in bash?

I want to support both short and long options in bash scripts, so one can: $ foo -ax --long-key val -b …

bash getopt getopt-long
How to use GetOptions utility to handle 'optional' command-line arguments in Perl?

There are many Perl tutorials explaining how to use GetOptions utility to process only the command-line arguments which are expected, …

perl command-line-arguments getopt-long
Using getopt_long (C++) how do I code up a long & short option to both require arguments?

#include <iostream> #include <getopt.h> #define no_argument 0 #define required_argument 1 #define optional_argument 2 int main(…

c++ getopt-long getopts
Is there anyway to persuade python's getopt to handle optional parameters to options?

According to the documentation on python's getopt (I think) the options fields should behave as the getopt() function. However I …

python getopt getopt-long
Adding a help command to a script

Is there a standard way of adding a help function to a script? The simplest way would maybe to take …

perl documentation command-line-arguments getopt-long perl-pod
How can I allow undefined options when parsing args with Getopt

If I have a command line like: my_script.pl -foo -WHATEVER My script knows about --foo, and I want …

perl getopt getopt-long
How do I use getopt_long to parse multiple arguments?

#include <iostream> #include <getopt.h> #define no_argument 0 #define required_argument 1 #define optional_argument 2 int main(…

c++ parsing command-line-arguments getopt-long