feat: Update optval()
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8c8a6504e7
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484040ecbe
@ -63,21 +63,25 @@ EOF
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optval() {
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# GNU-style CLI options parser.
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#
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# Parse --opt VAL and --opt=VAL options.
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# Requires 2 arguments: $1, $2.
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# Set variables:
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# opt option name.
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# val option value.
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# sft value for shift.
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# Parse `--opt VAL` and `--opt=VAL` options.
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# Usage: optval "$1" "$2"
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# Sets variables:
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# opt - option name
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# val - option's value
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# sft - value for shift
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if [[ "$1" =~ .+=.+ ]]; then
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opt="${1%%=*}"; val="${1#*=}"; sft=1
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elif [[ ! "$1" =~ .+=$ ]] && [ "$2" ] && [ "${2:0:1}" != "-" ]; then
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opt="$1"; val="$2"; sft=2
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opt="${1%%=*}"; val="${1##*=}"; sft=1
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if [ "$opt" == "$val" ]; then
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if [ -n "$2" ] && [ "${2:0:1}" != "-" ]; then
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val="$2"; sft=2
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else
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opt="$1"
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if [[ "$1" =~ .+=$ ]]; then opt="${1:0: -1}"; fi
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echo "Error: Missing argument for $opt" >&2; exit 1
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unset val
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fi
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fi
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if [ -z "$val" ]; then
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echo "Missing argument for option $opt" >&2; exit 1
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fi
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}
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