gnu-getopt

Command-line option parsing utility compatible with GNU getopt

brewmacoslinux

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Command-line option parsing utility

getopt

Parse short options from a command line$ getopt ab:c "$@"

Parse long options with validation$ getopt -o ab:c --long alpha,beta:,charlie -- "$@"

Extract parsed options in a shell script$ ARGS=$(getopt -o h --long help -- "$@") && eval set -- "$ARGS"