From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: zsh-users@zsh.org
Subject: Re: alias with a parameter
Date: Fri, 9 Apr 2021 22:49:30 +0000 [thread overview]
Message-ID: <20210409224930.GB6760@tarpaulin.shahaf.local2> (raw)
In-Reply-To: <48bef9cb-fea7-1a17-96b1-dd4ae7bf54aa@spamtrap.tnetconsulting.net>
Grant Taylor wrote on Thu, Apr 08, 2021 at 20:55:37 -0600:
> On 4/7/21 7:25 PM, Daniel Shahaf wrote:
> > This will return non-zero when pushd succeeds.
>
> You are correct.
>
> pd () {
> [ $# -eq 1 ] && pushd "${1}" && return 0
> [ $# -eq 0 ] && popd
> }
This still discards pushd's exit code if it's *non*-zero.
Yet another variant:
pd() case $+1 in (0) popd;; (1) pushd "$1";; esac
Or if golfing:
pd()$# $1;0()popd;1()pushd $1
next prev parent reply other threads:[~2021-04-09 22:52 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-05 22:55 dukeofpurl
2021-04-06 0:16 ` lb
2021-04-06 3:40 ` Duke Normandin
2021-04-06 14:42 ` Greg Klanderman
2021-04-06 2:47 ` Grant Taylor
2021-04-07 7:05 ` Stephane Chazelas
2021-04-07 12:48 ` lb
2021-04-07 12:58 ` Peter Stephenson
2021-04-08 1:06 ` Grant Taylor
2021-04-08 1:25 ` Daniel Shahaf
2021-04-09 2:55 ` Grant Taylor
2021-04-09 22:49 ` Daniel Shahaf [this message]
2021-04-10 7:32 ` david rayner
2021-04-10 10:38 ` Marc Chantreux
2021-04-14 11:10 ` zzapper
2021-04-15 18:19 ` Bart Schaefer
2021-04-15 19:56 ` (prefix case terminators?) " Marc Chantreux
2021-04-15 23:52 ` Bart Schaefer
2021-04-16 6:46 ` Marc Chantreux
2021-04-15 20:30 ` Daniel Shahaf
2021-04-16 7:34 ` zapper
2021-04-16 10:12 ` Stephane Chazelas
2021-04-10 16:30 ` Grant Taylor
2021-04-10 16:34 ` Grant Taylor
2021-04-13 11:22 ` Daniel Shahaf
2021-04-07 14:43 ` Daniel Shahaf
2021-04-07 14:54 Duke Normandin
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