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From: Bart Schaefer <schaefer@brasslantern.com>
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Date: Wed, 1 Oct 2003 15:14:52 +0000
In-Reply-To: <20031001092757.GA31207@DervishD>
Comments: In reply to DervishD <raul@pleyades.net>
        "Stripping spaces from a shell variable, portably" (Oct  1, 11:27am)
References: <20031001092757.GA31207@DervishD>
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To: Zsh <zsh-workers@sunsite.dk>
Subject: Re: Stripping spaces from a shell variable, portably
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On Oct 1, 11:27am, DervishD wrote:
}
}     I need to strip leading and trailing spaces from the contents of
} a shell variable, and I need to do it [...] using SuSv3
} constructs, not Zsh extensions.

What about:

	tmp="${variable##*[^ ]}"
	variable="${variable%${tmp}}"
	tmp="${variable%%[^ ]*}"
	variable="${variable#${tmp}}"