From mboxrd@z Thu Jan  1 00:00:00 1970
MIME-Version: 1.0
In-Reply-To: <CAOEdRO35rOrixKjZiggGFAakA341qYbRZwWODFhre1yreq_kfg@mail.gmail.com>
References: <CAOEdRO35rOrixKjZiggGFAakA341qYbRZwWODFhre1yreq_kfg@mail.gmail.com>
From: Teodoro Santoni <asbrasbra@gmail.com>
Date: Thu, 26 Apr 2018 17:02:07 +0200
Message-ID: <CAKrMTHppL+AjMZT5oj24GmZOY7TdwPPgj2X-0UgWNxSK11MA+w@mail.gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Content-Type: text/plain; charset="UTF-8"
Subject: Re: [9fans] simple rc problem in p9p (on OpenBSD)
Topicbox-Message-UUID: d4a8555a-ead9-11e9-9d60-3106f5b1d025

Hi,

2018-04-26 16:45 GMT+02:00, Rudolf Sykora <rudolf.sykora@gmail.com>:
> Hello
>
> I, using OpenBSD's p9p, see this
>
> % w='A
>     B
>     C'
> % echo $w
> A
> B
> C
> % for(i in $w) {echo $i; echo XXX}
> A
> B
> C
> XXX
>
> ie, w in for is taken as just one argument instead of
> 3. What can I do with it?
>
> I haven't modified ifs (it should be \n space and tab).
> (How can I check, say see the character codes?)
>
> Thanks for comments
> Ruda
>
>

; w='A
B
C'
; we=`{echo $w}
; for(i in $we) { echo 'arg '$i; }
arg A
arg B
arg C
; for(i in $w) { echo 'arg'$i; }
argA
B
C
; exit

When enclosed in single quotes, the variable is, regardless of spaces
or whatnot, a single element. For a list you have to expand it in some
way, inside a command expansion or declaring a list.