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Date: Tue, 30 Oct 2001 04:20:41 +0000
To: Le Wang <lewang@yahoo.com>
Cc: zsh-users@sunsite.dk
Subject: Re: pipe issues with 'jobs' command
Message-ID: <20011030042041.B30596@fysh.org>
References: <20011029002105.B3832@astaroth.sweth.net> <20011030041449.97914.qmail@web12303.mail.yahoo.com>
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From: Zefram <zefram@fysh.org>

Le Wang wrote:
>getJobCount () {
>  print "$#jobtexts";
>}
>
>prompt_le1_precmd () {
>  PS1="$(getJobCount) %# "
>  PS2="%_> "
>  PS3="?# "
>}
>--------------
>
>If I call getJobCount from the shell directly (e.g.
>execute the command 'getJobCount'), I get the real
>number of jobs, but my prompt always prints 0.  What's
>going on here?

$() also creates a subshell.

You might find psvar and the %v prompt sequence helpful.

-zefram