Date: Sun, 30 Aug 2009 16:18:45 -0700 From: Bill Campbell <freebsd@celestial.com> To: freebsd-questions@freebsd.org Subject: Re: shell command line argument + parsing function Message-ID: <20090830231845.GA991@ayn.mi.celestial.com> In-Reply-To: <f99a79ec0908301607l7772a486j1986b87d31d33cef@mail.gmail.com> References: <f99a79ec0908301607l7772a486j1986b87d31d33cef@mail.gmail.com>
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On Mon, Aug 31, 2009, Stefan Miklosovic wrote:
>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() {
> while [ $# -gt 0 ]; do
> case "$1" in
> -c)
> shift
> COMMENT="$1"
> ;;
> esac
> shift
> done
>}
>
>parse_cmdline $*
>
>echo $COMMENT
>
>exit 0
>
>but that only write out "hello". I tried to change $* to $@, nothing
>changed.
Did you put $@ in quotes? That is parse_cmdline "$@". I haven't
tried this in calling functions in scripts, but use it frequently
when calling scripts from other scripts. I would probably use
something like:
for arg in "$@"; do
dosomething "$arg"
done
Bill
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