libgetopt-tabular-perl

table-driven argument parsing for Perl 5

Description

Getopt::Tabular is a Perl 5 module for table-driven argument parsing, vaguely inspired by John Ousterhout's Tk_ParseArgv.

Some nice features of Getopt::Tabular are:

* Command-line arguments are carefully type-checked, both by pattern and

number -- e.g. if an option requires two integers, GetOptions makes sure

that exactly two integers follow it!

* The valid command-line arguments are specified in a data structure

separate from the call to GetOptions; this makes it easier to have very

long lists of options, and to parse options from multiple sources

(e.g. the command line, an environment variable, and a configuration file).

* Getopt::Tabular can intelligently generate help text based on your option

descriptions.

* The type system is extensible, and if you can define your desired argument

type using a single Perl regular expression then it's particularly easy to

extend.

* Options can be abbreviated and come in any order.

* A "spoof" mode in which arguments are parsed without side-effects.

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