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Date: Wed, 18 Sep 2002 18:47:54 -0400
From: Clint Adams <clint@zsh.org>
To: Paul Lew <paullew@cisco.com>
Cc: zsh-users@sunsite.auc.dk
Subject: Re: Reduce forking overhead in precmd()
Message-ID: <20020918224754.GC22538@dman.com>
References: <15752.65212.28904.60591@paullew-ultra.cisco.com>
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>         cleartool catcs | grep time > /dev/null
> 	if [[ $? == 0 ]]; then
> 	    RPROMPT="%S f %s %$RPROMPT"
> 	fi

You could do something like

[[ -n ${${(M)${$(cleartool catcs)}:#*time*}} ]] && RPROMPT="%S f %s %$RPROMPT"