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From: Frank Terbeck <ft@bewatermyfriend.org>
To: Lyre <4179e1@gmail.com>
Cc: zsh-users@zsh.org
Subject: Re: string equal problem
Date: Mon, 07 Mar 2011 10:13:59 +0100	[thread overview]
Message-ID: <87oc5n9tt4.fsf@ft.bewatermyfriend.org> (raw)
In-Reply-To: <AANLkTi=GJPW=cVoA5hxbgVLsVMpeFehiZFjjU-dd04ow@mail.gmail.com> (Lyre's message of "Mon, 7 Mar 2011 17:04:48 +0800")

Lyre wrote:
> To my surprise，the following statment:
>
> if [ "abc" == "def" ]; then echo y; else echo n; fi
>
> doesn't work, it says "zsh: = not found".

`==' only works in "[[ ... ]]". So, either use

     if [ "abc" = "def" ]; then
or
     if [[ "abc" == "def" ]]; then

Regards, Frank

-- 
In protocol design, perfection has been reached not when there is
nothing left to add, but when there is nothing left to take away.
                                                  -- RFC 1925


  parent reply	other threads:[~2011-03-07  9:15 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-07  9:04 Lyre
2011-03-07  9:13 ` Mikael Magnusson
2011-03-07  9:13 ` Frank Terbeck [this message]
2011-03-07  9:27   ` Frank Terbeck
2011-03-07  9:58     ` Micah Elliott
2011-03-07  9:15 ` Wendell Hom
2011-03-07  9:26 ` Bart Schaefer

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