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From: jaap@sequent.UUCP (Jaap Vermeulen)
Newsgroups: comp.unix.wizards
Subject: Re: csh programming problem
Message-ID: <31291@sequent.UUCP>
Date: 15 Mar 90 04:55:28 GMT
References: <53408@bbn.COM>
Reply-To: jaap@sequent.UUCP (Jaap Vermeulen)
Organization: Sequent Computer Systems, Inc
Lines: 42

ellard@bbn.com (Dan Ellard) writes:

>I am trying to write a shell script that takes several arguments and
>passes them to child processes, i.e.

>#!/bin/csh
>foo $1 $2 ...
>bar $1 $2 ...
>exit 0

>Unfortunately, this method does not work when $1 is something like 'a b', since
>$1 evaluates to the string ( a b ) without the quotes, so foo and bar

>(I am open to suggestions concerning how to improve this)

foo $1:q $2:q
bar $1:q $2:q

or:

foo $*:q

which is equivalent to

foo $@

in bourne shell

>This solves the original problem, but there are still more problems to
>solve--  like handling quoted characters.  If I call this program with
>$1 as \'foo, the backslash will be peeled off and my quoting scheme will
>break.  Similar problems will arise if I try to use other characters that
>have special meaning to the shell.

This should take care of all quoting etc.

jaap.
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