getopt-golang

getopt-golang is a library for command-line argument processing. It is a conversion of GetOpt.PHP.

https://github.com/getopt-php/getopt-php

Features

• Supports both short (eg. -v) and long (eg. --version) options
• Option aliasing, ie. an option can have both a long and a short version
• Cumulative short options (eg. -vvv)
• Two alternative notations for long options with arguments: --option value and --option=value
• Collapsed short options (eg. -abc instead of -a -b -c), also with an argument for the last option (eg. -ab 1 instead of -a -b 1)
• Two alternative notations for short options with arguments: -o value and -ovalue
• Quoted arguments (eg. --path "/some path/with spcaces") for string processing
• Options with multiple arguments (eg. --domain example.org --domain example.com)
• Operand (positional arguments) specification, validation and limitation
• Command routing with specified options and operands
• Help text generation
• Default argument values
• Argument validation

License

GetOpt-Golang is published under the MIT License.