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# Test the getopts builtin.
%prep
test_getopts() {
local OPTARG OPTIND opt
local -a res
while getopts abc: opt 2>&1; do
[[ $opt == [?:] ]] || res+=( $opt )
done
(( $#res )) && print -r -- $res
return $(( $#res ? 0 : 1 ))
}
%test
test_getopts
1:no arguments
test_getopts foo
1:one operand
test_getopts -a
0:one option
>a
test_getopts -a foo
0:one option, one operand
>a
test_getopts -a foo -b
0:one option, two operands, leading hyphen
>a
test_getopts -ab
0:two options, single argument
>a b
test_getopts -a -b
0:two options, separate arguments
>a b
test_getopts -a -b +a
0:three options, + variant
>a b +a
test_getopts -cx
0:one option with value, single argument
>c
test_getopts +cx
0:one option with value, single argument, + variant
>+c
test_getopts -c x
0:one option with value, separate arguments
>c
test_getopts -acx
0:two options, one with value, single argument
>a c
test_getopts -ac x
0:two options, one with value, separate arguments
>a c
test_getopts -c
1:one option missing value
>test_getopts:3: argument expected after -c option
test_getopts +c
1:one option missing value, + variant
>test_getopts:3: argument expected after +c option
test_getopts -x
1:one illegal option
>test_getopts:3: bad option: -x
test_getopts +x
1:one illegal option, + variant
>test_getopts:3: bad option: +x
set -- -x
OPTIND=1
while getopts x: opt; do
echo "$opt,${OPTARG:-Empty}"
done
0:missing option-argument (error message mode)
>?,Empty
?(eval):3: argument expected after -x option
set -- -x
OPTIND=1
while getopts :x: opt; do
echo "$opt,${OPTARG:-Empty}"
done
0:missing option-argument (quiet mode)
>:,x
# This function is written so it can be easily referenced against other shells
t() {
local o i=0 n=$1
shift
while [ $i -lt $n ]; do
i=$(( i + 1 ))
getopts a: o "$@" 2> /dev/null
done
printf '<%d>' "$OPTIND"
}
# Try all these the native way, then the POSIX_BUILTINS way
for 1 in no_posix_builtins posix_builtins; do (
setopt $1
print -rn - "$1: "
t 1
t 1 foo
t 1 -- foo
t 1 -a
t 1 -b
t 2 -a -b
t 4 -a -b -c -d -a
t 5 -a -b -c -a -b -c
t 5 -a -b -c -d -ax -a
print
); done
0:OPTIND calculation with and without POSIX_BUILTINS (workers/42248)
>no_posix_builtins: <1><1><2><1><1><3><5><7><6>
>posix_builtins: <1><1><2><2><2><3><6><7><7>
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