Date: Mon, 31 Aug 2009 01:36:41 +0200 From: Erik Trulsson <ertr1013@student.uu.se> To: Stefan Miklosovic <miklosovic.freebsd@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: shell command line argument + parsing function Message-ID: <20090830233641.GA48910@owl.midgard.homeip.net> In-Reply-To: <f99a79ec0908301607l7772a486j1986b87d31d33cef@mail.gmail.com> References: <f99a79ec0908301607l7772a486j1986b87d31d33cef@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, Aug 31, 2009 at 01:07:36AM +0200, 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 $@, nothing > changed. But if you use "$@" (with the quote marks) instead it should work fine. For further explanation please read the sh(1) man page where it explains the special parameters $* and $@, while paying special attention to how they expand when used within double-quotes. > > It is interesting, that if I dont put "while" loop into function > parse_cmdline, > and do echo $COMMENT, it writes "hello world". > > I WANT that function style. How to do it ? > > thank you > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" -- <Insert your favourite quote here.> Erik Trulsson ertr1013@student.uu.se
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20090830233641.GA48910>