$OPTARG  –  Last Argument Value Processed by getopts

$OPTARG contains the value of the last option argument processed by the getopts builtin.

Links

• Bash manual

Examples

Print value passed to argument -v:

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usage() { echo "$0 usage: -v <value>"; exit 0; } [ $# -eq 0 ] && usage declare value # : because -v requires a value while getopts "v:" arg; do case $arg in v) value="$OPTARG" ;; *) usage ;; esac done echo "Value passed to -v: $value"