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Re: IFS contains Meta - why?

X-seq: zsh-workers 1423
From: Zefram <A.Main@xxxxxxxxxxxxxxxxx>
To: jdl@xxxxxxxxxxxx (J.D. Laub)
Subject: Re: IFS contains Meta - why?
Date: Sat, 22 Jun 1996 01:08:50 +0100 (BST)
Cc: zsh-workers@xxxxxxxxxxxxxxx
In-reply-to: <199606211947.NAA182748@xxxxxxxxxxxx> from "J.D. Laub" at Jun 21, 96 01:47:56 pm

>>     ifs         = ztrdup(" \t\n  ");
>>     ifs[3]      = Meta;
>
>1) Why does a space (0x20) appear both at the start and end of IFS?
>2) Why is Meta in there (contrary to the man page)?

The combination {Meta, ' '} is used to represent NUL.  IFS now, by
default, consists of space, tab, newline and NUL.

>                                                     The sort command
>    under HPUX 10.01 stops processing when it runs across non-ascii
>    characters, so I see nothing after IFS when I run "set | sort".

It can't handle the NUL, which is hardly surprising really.

-zefram

References:
- IFS contains Meta - why?
  - From: J.D. Laub

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