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Ensures the handling of OPTARG is consistent with Bash’s getopts #30

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merged 8 commits into from
Dec 14, 2024
Merged

Ensures the handling of OPTARG is consistent with Bash’s getopts #30

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cb14736
Updated test scripts to use `declare -p` instead of echo
UrsaDK Dec 14, 2024
eed6cf4
Updated "OPTARG is unset" to work with `declare`
UrsaDK Dec 14, 2024
0516d1f
Updated "INVALID OPTION" tests to work with `declare`
UrsaDK Dec 14, 2024
b963f7d
Updated "option supplied" test to work with `declare`
UrsaDK Dec 14, 2024
c7a2745
Updated "MISSING ARGUMENT" test to work with `declare`
UrsaDK Dec 14, 2024
8bb8876
Updated "value supplied" test to work with `declare`
UrsaDK Dec 14, 2024
82c69f1
Fixed option supplied tests
UrsaDK Dec 14, 2024
c6e5695
Redeclare OPTARG for valid long option without argument (#16)
billyzkid Dec 14, 2024
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1 change: 1 addition & 0 deletions lib/getopts_long.bash
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Expand Up @@ -46,6 +46,7 @@ getopts_long() {
fi
elif [[ " ${optspec_long} " == *" ${!optvar} "* ]]; then
unset OPTARG
declare -g OPTARG
else
# Invalid option
if [[ "${optspec_short:0:1}" == ':' ]]; then
Expand Down
24 changes: 12 additions & 12 deletions test/bats/github_15a.bats
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Expand Up @@ -37,12 +37,12 @@ load ../test_helper
'--toggle-- --toggle user_arg' \
'1{/^toggle triggered/d}' \
'/^INVALID OPTION/d'
expect "${bash_getopts[1]}" == 'toggle triggered -- OPTARG is unset'
expect "${bash_getopts[2]}" == 'INVALID OPTION -- OPTARG=-'
expect "${bash_getopts[3]}" == 'INVALID OPTION -- OPTARG=-'
expect "${bash_getopts[4]}" == 'toggle triggered -- OPTARG is unset'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG=toggle--'
expect "${getopts_long[2]}" == 'toggle triggered -- OPTARG is unset'
expect "${bash_getopts[2]}" == 'INVALID OPTION -- OPTARG="-"'
expect "${bash_getopts[3]}" == 'INVALID OPTION -- OPTARG="-"'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG="toggle--"'
expect "${bash_getopts[1]}" == 'toggle triggered -- OPTARG'
expect "${bash_getopts[4]}" == 'toggle triggered -- OPTARG'
expect "${getopts_long[2]}" == 'toggle triggered -- OPTARG'
}
@test "${FEATURE}: long toggle, verbose" {
compare '-t-- -t user_arg' \
Expand All @@ -52,12 +52,12 @@ load ../test_helper
'5{/^INVALID OPTION or MISSING ARGUMENT/d}' \
's/getopts[[:alpha:]_-]*/GETOPTS-NORMALISED/' \
's/(illegal option --) (-|toggle--)/\1 TOGGLE-NORMALISED/'
expect "${bash_getopts[1]}" == 'toggle triggered -- OPTARG is unset'
expect "${bash_getopts[1]}" == 'toggle triggered -- OPTARG'
expect "${bash_getopts[2]}" =~ 'getopts-verbose: illegal option -- -$'
expect "${bash_getopts[4]}" =~ 'getopts-verbose: illegal option -- -$'
expect "${bash_getopts[6]}" == 'toggle triggered -- OPTARG is unset'
expect "${bash_getopts[6]}" == 'toggle triggered -- OPTARG'
expect "${getopts_long[1]}" =~ 'getopts_long-verbose: illegal option -- toggle--$'
expect "${getopts_long[3]}" == 'toggle triggered -- OPTARG is unset'
expect "${getopts_long[3]}" == 'toggle triggered -- OPTARG'
}

# Both implementations should see:
Expand All @@ -82,14 +82,14 @@ load ../test_helper
compare '-o-- -t user_arg' \
'--option-- --toggle user_arg' \
'1{/(option supplied|INVALID OPTION)/d}'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG=--'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG=option--'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG="--"'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG="option--"'
}
@test "${FEATURE}: long option, verbose" {
compare '-o-- -t user_arg' \
'--option-- --toggle user_arg' \
'1{/(option supplied|illegal option)/d}' \
'2{/^INVALID OPTION or MISSING ARGUMENT/d}'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG=--'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG="--"'
expect "${getopts_long[1]}" =~ "getopts_long-verbose: illegal option -- option--$"
}
24 changes: 12 additions & 12 deletions test/bats/github_15b.bats
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Expand Up @@ -40,12 +40,12 @@ export GETOPTS_LONG_TEST_BIN='getopts_long-shortspec_with_dash'
'--toggle-- --toggle user_arg' \
'1{/^toggle triggered/d}' \
'/^INVALID OPTION/d'
expect "${bash_getopts[1]}" == 'toggle triggered -- OPTARG is unset'
expect "${bash_getopts[2]}" == 'INVALID OPTION -- OPTARG=-'
expect "${bash_getopts[3]}" == 'INVALID OPTION -- OPTARG=-'
expect "${bash_getopts[4]}" == 'toggle triggered -- OPTARG is unset'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG=toggle--'
expect "${getopts_long[2]}" == 'toggle triggered -- OPTARG is unset'
expect "${bash_getopts[2]}" == 'INVALID OPTION -- OPTARG="-"'
expect "${bash_getopts[3]}" == 'INVALID OPTION -- OPTARG="-"'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG="toggle--"'
expect "${bash_getopts[1]}" == 'toggle triggered -- OPTARG'
expect "${bash_getopts[4]}" == 'toggle triggered -- OPTARG'
expect "${getopts_long[2]}" == 'toggle triggered -- OPTARG'
}
@test "${FEATURE}: long toggle, verbose" {
compare '-t-- -t user_arg' \
Expand All @@ -55,12 +55,12 @@ export GETOPTS_LONG_TEST_BIN='getopts_long-shortspec_with_dash'
'5{/^INVALID OPTION or MISSING ARGUMENT/d}' \
's/getopts[[:alpha:]_-]*/GETOPTS-NORMALISED/' \
's/(illegal option --) (-|toggle--)/\1 TOGGLE-NORMALISED/'
expect "${bash_getopts[1]}" == 'toggle triggered -- OPTARG is unset'
expect "${bash_getopts[1]}" == 'toggle triggered -- OPTARG'
expect "${bash_getopts[2]}" =~ 'getopts-verbose: illegal option -- -$'
expect "${bash_getopts[4]}" =~ 'getopts-verbose: illegal option -- -$'
expect "${bash_getopts[6]}" == 'toggle triggered -- OPTARG is unset'
expect "${bash_getopts[6]}" == 'toggle triggered -- OPTARG'
expect "${getopts_long[1]}" =~ 'getopts_long-\w+-verbose: illegal option -- toggle--$'
expect "${getopts_long[3]}" == 'toggle triggered -- OPTARG is unset'
expect "${getopts_long[3]}" == 'toggle triggered -- OPTARG'
}

# Both implementations should see:
Expand All @@ -85,14 +85,14 @@ export GETOPTS_LONG_TEST_BIN='getopts_long-shortspec_with_dash'
compare '-o-- -t user_arg' \
'--option-- --toggle user_arg' \
'1{/(option supplied|INVALID OPTION)/d}'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG=--'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG=option--'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG="--"'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG="option--"'
}
@test "${FEATURE}: long option, verbose" {
compare '-o-- -t user_arg' \
'--option-- --toggle user_arg' \
'1{/(option supplied|illegal option)/d}' \
'2{/^INVALID OPTION or MISSING ARGUMENT/d}'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG=--'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG="--"'
expect "${getopts_long[1]}" =~ "getopts_long-\w+-verbose: illegal option -- option--$"
}
4 changes: 2 additions & 2 deletions test/bats/github_26b.bats
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Expand Up @@ -18,8 +18,8 @@ export GETOPTS_LONG_TEST_BIN='getopts_long-longspec_with_dash_colon'
compare '-z' \
'---zz' \
'/^INVALID OPTION/d'
expect "${bash_getopts[1]}" == 'INVALID OPTION -- OPTARG=z'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG=-zz'
expect "${bash_getopts[1]}" == 'INVALID OPTION -- OPTARG="z"'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG="-zz"'
}
@test "${FEATURE}: option with adjacent value, verbose" {
compare '-z' \
Expand Down
12 changes: 6 additions & 6 deletions test/bats/invalid_arguments.bats
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Expand Up @@ -16,8 +16,8 @@ load ../test_helper
compare '-i' \
'--invalid' \
'/^INVALID OPTION -- /d'
expect "${bash_getopts[1]}" == 'INVALID OPTION -- OPTARG=i'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG=invalid'
expect "${bash_getopts[1]}" == 'INVALID OPTION -- OPTARG="i"'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG="invalid"'
}
@test "${FEATURE}: long option, verbose" {
compare '-i' \
Expand All @@ -41,8 +41,8 @@ load ../test_helper
compare '-i user_arg' \
'--invalid user_arg' \
'/^INVALID OPTION -- /d'
expect "${bash_getopts[1]}" == 'INVALID OPTION -- OPTARG=i'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG=invalid'
expect "${bash_getopts[1]}" == 'INVALID OPTION -- OPTARG="i"'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG="invalid"'
}
@test "${FEATURE}: long option, extra arguments, verbose" {
compare '-i user_arg' \
Expand All @@ -68,8 +68,8 @@ load ../test_helper
compare '-i -- user_arg' \
'--invalid -- user_arg' \
'/^INVALID OPTION -- /d'
expect "${bash_getopts[1]}" == 'INVALID OPTION -- OPTARG=i'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG=invalid'
expect "${bash_getopts[1]}" == 'INVALID OPTION -- OPTARG="i"'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG="invalid"'
expect "${getopts_long[6]}" == '$@: user_arg'
}
@test "${FEATURE}: long option, terminator, extra arguments, verbose" {
Expand Down
26 changes: 13 additions & 13 deletions test/bats/option_supplied.bats
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Expand Up @@ -69,27 +69,27 @@ load ../test_helper
@test "${FEATURE}: short option, multiple same arguments, silent" {
compare '-o user_val1 -o user_val2' \
'-o user_val1 -o user_val2'
expect "${getopts_long[1]}" == 'option supplied -- OPTARG=user_val1'
expect "${getopts_long[2]}" == 'option supplied -- OPTARG=user_val2'
expect "${getopts_long[1]}" == 'option supplied -- OPTARG="user_val1"'
expect "${getopts_long[2]}" == 'option supplied -- OPTARG="user_val2"'
}
@test "${FEATURE}: short option, multiple same arguments, verbose" {
compare '-o user_val1 -o user_val2' \
'-o user_val1 -o user_val2'
expect "${getopts_long[1]}" == 'option supplied -- OPTARG=user_val1'
expect "${getopts_long[2]}" == 'option supplied -- OPTARG=user_val2'
expect "${getopts_long[1]}" == 'option supplied -- OPTARG="user_val1"'
expect "${getopts_long[2]}" == 'option supplied -- OPTARG="user_val2"'
}

@test "${FEATURE}: long option, multiple same arguments, silent" {
compare '-o user_val1 -o user_val2' \
'--option user_val1 --option user_val2'
expect "${getopts_long[1]}" == 'option supplied -- OPTARG=user_val1'
expect "${getopts_long[2]}" == 'option supplied -- OPTARG=user_val2'
expect "${getopts_long[1]}" == 'option supplied -- OPTARG="user_val1"'
expect "${getopts_long[2]}" == 'option supplied -- OPTARG="user_val2"'
}
@test "${FEATURE}: long option, multiple same arguments, verbose" {
compare '-o user_val1 -o user_val2' \
'--option user_val1 --option user_val2'
expect "${getopts_long[1]}" == 'option supplied -- OPTARG=user_val1'
expect "${getopts_long[2]}" == 'option supplied -- OPTARG=user_val2'
expect "${getopts_long[1]}" == 'option supplied -- OPTARG="user_val1"'
expect "${getopts_long[2]}" == 'option supplied -- OPTARG="user_val2"'
}

# terminator followed by options
Expand Down Expand Up @@ -134,8 +134,8 @@ load ../test_helper
compare '-o' \
'--option' \
'/^MISSING ARGUMENT -- /d'
expect "${bash_getopts[1]}" == 'MISSING ARGUMENT -- OPTARG=o'
expect "${getopts_long[1]}" == 'MISSING ARGUMENT -- OPTARG=option'
expect "${bash_getopts[1]}" == 'MISSING ARGUMENT -- OPTARG="o"'
expect "${getopts_long[1]}" == 'MISSING ARGUMENT -- OPTARG="option"'
}
@test "${FEATURE}: long option, missing value, verbose" {
compare '-o' \
Expand Down Expand Up @@ -198,8 +198,8 @@ load ../test_helper
compare '-ouser_val' \
'--optionuser_val' \
'1d'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG=user_val'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG=optionuser_val'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG="user_val"'
expect "${getopts_long[1]}" == 'INVALID OPTION -- OPTARG="optionuser_val"'

}

Expand All @@ -208,6 +208,6 @@ load ../test_helper
'--optionuser_val' \
'1d' \
'2{/^INVALID OPTION or MISSING ARGUMENT/d}'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG=user_val'
expect "${bash_getopts[1]}" == 'option supplied -- OPTARG="user_val"'
expect "${getopts_long[1]}" =~ 'getopts_long-verbose: illegal option -- optionuser_val'
}
8 changes: 4 additions & 4 deletions test/bats/toggle_triggered.bats
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Expand Up @@ -70,26 +70,26 @@ load ../test_helper
compare '-t -t' \
'-t -t'
expect "${getopts_long[1]}" == "${getopts_long[2]}"
expect "${getopts_long[1]}" == 'toggle triggered -- OPTARG is unset'
expect "${getopts_long[1]}" == 'toggle triggered -- OPTARG'
}
@test "${FEATURE}: short option, multiple same arguments, verbose" {
compare '-t -t' \
'-t -t'
expect "${getopts_long[1]}" == "${getopts_long[2]}"
expect "${getopts_long[1]}" == 'toggle triggered -- OPTARG is unset'
expect "${getopts_long[1]}" == 'toggle triggered -- OPTARG'
}

@test "${FEATURE}: long option, multiple same arguments, silent" {
compare '-t -t' \
'--toggle --toggle'
expect "${getopts_long[1]}" == "${getopts_long[2]}"
expect "${getopts_long[1]}" == 'toggle triggered -- OPTARG is unset'
expect "${getopts_long[1]}" == 'toggle triggered -- OPTARG'
}
@test "${FEATURE}: long option, multiple same arguments, verbose" {
compare '-t -t' \
'--toggle --toggle'
expect "${getopts_long[1]}" == "${getopts_long[2]}"
expect "${getopts_long[1]}" == 'toggle triggered -- OPTARG is unset'
expect "${getopts_long[1]}" == 'toggle triggered -- OPTARG'
}

# terminator followed by options
Expand Down
20 changes: 10 additions & 10 deletions test/bats/value_supplied.bats
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Expand Up @@ -87,31 +87,31 @@ load ../test_helper
@test "${FEATURE}: short option, multiple same arguments, silent" {
compare '-v user_val1 -v user_val2' \
'-v user_val1 -v user_val2'
expect "${getopts_long[1]}" == 'value supplied -- OPTARG=user_val1'
expect "${getopts_long[2]}" == 'value supplied -- OPTARG=user_val2'
expect "${getopts_long[1]}" == 'value supplied -- OPTARG="user_val1"'
expect "${getopts_long[2]}" == 'value supplied -- OPTARG="user_val2"'
}
@test "${FEATURE}: short option, multiple same arguments, verbose" {
compare '-v user_val1 -v user_val2' \
'-v user_val1 -v user_val2'
expect "${getopts_long[1]}" == 'value supplied -- OPTARG=user_val1'
expect "${getopts_long[2]}" == 'value supplied -- OPTARG=user_val2'
expect "${getopts_long[1]}" == 'value supplied -- OPTARG="user_val1"'
expect "${getopts_long[2]}" == 'value supplied -- OPTARG="user_val2"'
}

@test "${FEATURE}: long option, multiple same arguments, silent" {
compare '-v user_val1 -v user_val2' \
'--variable=user_val1 --variable=user_val2' \
'/^OPTIND: /d'
expect "${getopts_long[1]}" == 'value supplied -- OPTARG=user_val1'
expect "${getopts_long[2]}" == 'value supplied -- OPTARG=user_val2'
expect "${getopts_long[1]}" == 'value supplied -- OPTARG="user_val1"'
expect "${getopts_long[2]}" == 'value supplied -- OPTARG="user_val2"'
expect "${bash_getopts[6]}" == 'OPTIND: 5'
expect "${getopts_long[6]}" == 'OPTIND: 3'
}
@test "${FEATURE}: long option, multiple same arguments, verbose" {
compare '-v user_val1 -v user_val2' \
'--variable=user_val1 --variable=user_val2' \
'/^OPTIND: /d'
expect "${getopts_long[1]}" == 'value supplied -- OPTARG=user_val1'
expect "${getopts_long[2]}" == 'value supplied -- OPTARG=user_val2'
expect "${getopts_long[1]}" == 'value supplied -- OPTARG="user_val1"'
expect "${getopts_long[2]}" == 'value supplied -- OPTARG="user_val2"'
expect "${bash_getopts[6]}" == 'OPTIND: 5'
expect "${getopts_long[6]}" == 'OPTIND: 3'
}
Expand Down Expand Up @@ -158,8 +158,8 @@ load ../test_helper
compare '-v' \
'--variable' \
'/^MISSING ARGUMENT -- /d'
expect "${bash_getopts[1]}" == 'MISSING ARGUMENT -- OPTARG=v'
expect "${getopts_long[1]}" == 'MISSING ARGUMENT -- OPTARG=variable'
expect "${bash_getopts[1]}" == 'MISSING ARGUMENT -- OPTARG="v"'
expect "${getopts_long[1]}" == 'MISSING ARGUMENT -- OPTARG="variable"'
}
@test "${FEATURE}: long option, missing value, verbose" {
compare '-v' \
Expand Down
2 changes: 1 addition & 1 deletion test/bin/getopts-silent
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Expand Up @@ -22,7 +22,7 @@ while getopts ":to:v:" OPTKEY; do
;;
esac
printf ' -- '
[[ -z "${OPTARG+SET}" ]] && echo 'OPTARG is unset' || echo "OPTARG=${OPTARG}"
declare -p OPTARG 2>&1 | grep -oe 'OPTARG.*'
done

shift $(( OPTIND - 1 ))
Expand Down
2 changes: 1 addition & 1 deletion test/bin/getopts-verbose
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Expand Up @@ -19,7 +19,7 @@ while getopts "to:v:" OPTKEY; do
;;
esac
printf ' -- '
[[ -z "${OPTARG+SET}" ]] && echo 'OPTARG is unset' || echo "OPTARG=${OPTARG}"
declare -p OPTARG 2>&1 | grep -oe 'OPTARG.*'
done

shift $(( OPTIND - 1 ))
Expand Down
2 changes: 1 addition & 1 deletion test/bin/getopts_long-github_26-silent
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Expand Up @@ -26,7 +26,7 @@ while getopts_long ':to:v: toggle option: variable: -toggle -option:' OPTKEY; do
;;
esac
printf ' -- '
[[ -z "${OPTARG+SET}" ]] && echo 'OPTARG is unset' || echo "OPTARG=${OPTARG}"
declare -p OPTARG 2>&1 | grep -oe 'OPTARG.*'
done

shift $(( OPTIND - 1 ))
Expand Down
2 changes: 1 addition & 1 deletion test/bin/getopts_long-github_26-verbose
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Expand Up @@ -23,7 +23,7 @@ while getopts_long 'to:v: toggle option: variable: -toggle -option:' OPTKEY; do
;;
esac
printf ' -- '
[[ -z "${OPTARG+SET}" ]] && echo 'OPTARG is unset' || echo "OPTARG=${OPTARG}"
declare -p OPTARG 2>&1 | grep -oe 'OPTARG.*'
done

shift $(( OPTIND - 1 ))
Expand Down
2 changes: 1 addition & 1 deletion test/bin/getopts_long-longspec_with_dash-silent
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Expand Up @@ -26,7 +26,7 @@ while getopts_long ':to:v: - toggle option: variable:' OPTKEY; do
;;
esac
printf ' -- '
[[ -z "${OPTARG+SET}" ]] && echo 'OPTARG is unset' || echo "OPTARG=${OPTARG}"
declare -p OPTARG 2>&1 | grep -oe 'OPTARG.*'
done

shift $(( OPTIND - 1 ))
Expand Down
2 changes: 1 addition & 1 deletion test/bin/getopts_long-longspec_with_dash-verbose
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Expand Up @@ -23,7 +23,7 @@ while getopts_long 'to:v: - toggle option: variable:' OPTKEY; do
;;
esac
printf ' -- '
[[ -z "${OPTARG+SET}" ]] && echo 'OPTARG is unset' || echo "OPTARG=${OPTARG}"
declare -p OPTARG 2>&1 | grep -oe 'OPTARG.*'
done

shift $(( OPTIND - 1 ))
Expand Down
2 changes: 1 addition & 1 deletion test/bin/getopts_long-longspec_with_dash_colon-silent
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Expand Up @@ -26,7 +26,7 @@ while getopts_long ':to:v: -: toggle option: variable:' OPTKEY; do
;;
esac
printf ' -- '
[[ -z "${OPTARG+SET}" ]] && echo 'OPTARG is unset' || echo "OPTARG=${OPTARG}"
declare -p OPTARG 2>&1 | grep -oe 'OPTARG.*'
done

shift $(( OPTIND - 1 ))
Expand Down
2 changes: 1 addition & 1 deletion test/bin/getopts_long-longspec_with_dash_colon-verbose
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Expand Up @@ -23,7 +23,7 @@ while getopts_long 'to:v: -: toggle option: variable:' OPTKEY; do
;;
esac
printf ' -- '
[[ -z "${OPTARG+SET}" ]] && echo 'OPTARG is unset' || echo "OPTARG=${OPTARG}"
declare -p OPTARG 2>&1 | grep -oe 'OPTARG.*'
done

shift $(( OPTIND - 1 ))
Expand Down
2 changes: 1 addition & 1 deletion test/bin/getopts_long-no_shortspec-silent
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Expand Up @@ -26,7 +26,7 @@ while getopts_long ': toggle option: variable:' OPTKEY; do
;;
esac
printf ' -- '
[[ -z "${OPTARG+SET}" ]] && echo 'OPTARG is unset' || echo "OPTARG=${OPTARG}"
declare -p OPTARG 2>&1 | grep -oe 'OPTARG.*'
done

shift $(( OPTIND - 1 ))
Expand Down
2 changes: 1 addition & 1 deletion test/bin/getopts_long-no_shortspec-verbose
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Expand Up @@ -23,7 +23,7 @@ while getopts_long ' toggle option: variable:' OPTKEY; do
;;
esac
printf ' -- '
[[ -z "${OPTARG+SET}" ]] && echo 'OPTARG is unset' || echo "OPTARG=${OPTARG}"
declare -p OPTARG 2>&1 | grep -oe 'OPTARG.*'
done

shift $(( OPTIND - 1 ))
Expand Down
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