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Re: [ -z $FOO ] seems broken in beta13

X-seq: zsh-workers 1306
From: Zefram <A.Main@xxxxxxxxxxxxxxxxx>
To: olsenc@xxxxxxxxxxxxxxxx (Clint Olsen)
Subject: Re: [ -z $FOO ] seems broken in beta13
Date: Mon, 10 Jun 1996 18:03:37 +0100 (BST)
Cc: zsh-workers@xxxxxxxxxxxxxxx
In-reply-to: <199606101636.AA267124560@xxxxxxxxxxxxxxxxxxxxx> from "Clint Olsen" at Jun 10, 96 09:35:59 am

>I use [ -z $TERM ] to check for terminal settings, and since we revved up
>from 2.5, I'm now forced to use $+TERM.
>
>Now I get "argument expected".  Is this correct?

Yes.  If $TERM is empty, then $TERM will be removed from the command
line completely, leaving `[ -z ]`, which is a syntax error.  If you use
"$TERM" (note the quotes), then the result will be `[ -z "" ]`, which
is legal.

-zefram

Follow-Ups:
- Re: [ -z $FOO ] seems broken in beta13
  - From: Zoltan Hidvegi
- Re: [ -z $FOO ] seems broken in beta13
  - From: Hrvoje Niksic

References:
- [ -z $FOO ] seems broken in beta13
  - From: Clint Olsen

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