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# $FreeBSD: releng/12.0/bin/sh/tests/builtins/getopts1.0 297752 2016-04-09 16:06:13Z jilles $
printf -- '-1-\n'
set -- -abc
getopts "ab:" OPTION
printf '%s\n' "${OPTION}"
# In this case 'getopts' should realize that we have not provided the
# required argument for "-b".
# Note that Solaris 10's (UNIX 03) /usr/xpg4/bin/sh, /bin/sh, and /bin/ksh;
# ksh93 20090505; pdksh 5.2.14p2; mksh R39c; bash 4.1 PL7; and zsh 4.3.10.
# all recognize that "b" is missing its argument on the *first* iteration
# of 'getopts' and do not produce the "a" in $OPTION.
printf -- '-2-\n'
set -- -ab
getopts "ab:" OPTION
printf '%s\n' "${OPTION}"
getopts "ab:" OPTION 3>&2 2>&1 >&3 3>&-
printf '%s\n' "${OPTION}"
# The 'shift' is aimed at causing an error.
printf -- '-3-\n'
shift 1
getopts "ab:" OPTION
printf '%s\n' "${OPTION}"
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