Date: Fri, 4 Jun 2010 13:12:58 -0500 (CDT) From: Robert Bonomi <bonomi@mail.r-bonomi.com> To: aiza21@comclark.com, questions@freebsd.org Subject: Re: .sh & getopts Message-ID: <201006041812.o54ICwto011675@mail.r-bonomi.com>
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> From owner-freebsd-questions@freebsd.org Thu Jun 3 23:36:28 2010
> Date: Fri, 04 Jun 2010 12:35:56 +0800
> From: Aiza <aiza21@comclark.com>
> To: "questions@freebsd.org" <questions@freebsd.org>
> Cc:
> Subject: .sh & getopts
>
> Have this code
>
> shift; while getopts :ugr: arg; do case ${arg} in
> u) action="freebsd-update";;
> g) action="freebsd-upgrade";;
> r) action="freebsd-rollback";;
> ?) exerr ${cmd_usage};;
> esac; done; shift $(( ${OPTION} -1 ))
>
>
> Command being executed looks like this, cmd action -flags aaaa bbbb
>
> Only a single -flag in allowed on the command.
>
> $# gives a count of parms ie: aaaa bbbb. in this example a count of 2.
>
> I am looking for something to check that holds the number of flags on
> the command. so I can code. if flag_count gt 1 = error
>
> Is there such a thing created by getopts?
Why bother??
flag_count=0
shift; while getopts :ugr: arg
if flag_count = 1; then
exerr ${cmd_usage}
fi
flag_count=1;
do case ${arg} in
{{blah-blah}}
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