Date: Tue, 1 Sep 2009 11:19:35 +0300 From: Artis Caune <artis.caune@gmail.com> To: Stefan Miklosovic <miklosovic.freebsd@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: shell command line argument + parsing function Message-ID: <9e20d71e0909010119g387c3869pb61a59c8b3c73c5b@mail.gmail.com> In-Reply-To: <f99a79ec0908301607l7772a486j1986b87d31d33cef@mail.gmail.com> References: <f99a79ec0908301607l7772a486j1986b87d31d33cef@mail.gmail.com>
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2009/8/31 Stefan Miklosovic <miklosovic.freebsd@gmail.com>:
> hi,
>
> assuming I execute shell script like this
>
> $ ./script -c "hello world"
>
> I want to save "hello world" string to variable COMMENT in shell script.
>
> code:
>
> #!/bin/sh
>
> parse_cmdline() {
> =C2=A0 =C2=A0while [ $# -gt 0 ]; do
> =C2=A0 =C2=A0 =C2=A0 =C2=A0case "$1" in
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0-c)
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0shift
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0COMMENT=3D"$1"
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0;;
> =C2=A0 =C2=A0 =C2=A0 =C2=A0esac
> =C2=A0 =C2=A0 =C2=A0 =C2=A0shift
> =C2=A0 =C2=A0done
> }
>
> parse_cmdline $*
>
> echo $COMMENT
>
> exit 0
How about getopts builtin, so you can use:
./script -c "hello world" or
./script -c"hello world" or
while getopts c: f; do
case $f in
c)
COMMENT=3D$OPTARG
;;
\?)
echo 'usage: $0 [-c string]'
exit 1
;;
esac
done
echo "COMMENT: $COMMENT"
--=20
Artis Caune
Everything should be made as simple as possible, but not simpler.
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