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From: Stephane Chazelas <stephane.chazelas@gmail.com>
To: Ray Andrews <rayandrews@eastlink.ca>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: real time alias?
Date: Sat, 17 Mar 2018 22:47:47 +0000	[thread overview]
Message-ID: <20180317224747.GA1927@chaz.gmail.com> (raw)
In-Reply-To: <98aa0638-97ed-dfe0-8dd2-39129d02c084__39937.2481661432$1521136270$gmane$org@eastlink.ca>

2018-03-15 10:51:47 -0700, Ray Andrews:
> If a function calls an alias, if the alias changes, the function must be
> resourced, yes?  That makes nothing but sense sincethe alias is what it is
> at sourcing.  An executed script uses the alias in 'real time'.  But, is
> there a way to make a function also use the real time value of an alias?
[...]

You can always use eval:

   $ f() { eval 'myalias 1'; echo done; }
   $ alias myalias=echo; f
   1
   done
   $ alias myalias=return; f
   $ echo $?
   1

-- 
Stephane


       reply	other threads:[~2018-03-17 22:47 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <98aa0638-97ed-dfe0-8dd2-39129d02c084__39937.2481661432$1521136270$gmane$org@eastlink.ca>
2018-03-17 22:47 ` Stephane Chazelas [this message]
2018-03-18  3:20   ` Ray Andrews
2018-03-15 17:51 Ray Andrews
2018-03-15 17:57 ` Jérémie Roquet
2018-03-15 18:13   ` Ray Andrews
2018-03-15 21:44     ` Marc Chantreux
2018-03-15 21:46       ` Marc Chantreux
2018-03-16 17:19         ` Justin M Wozniak
2018-03-16 17:41           ` Ray Andrews
2018-03-17 16:00             ` Marc Chantreux
2018-03-16 17:51           ` Marc Chantreux
2018-03-16 16:47       ` Ray Andrews
2018-03-16 17:41         ` Marc Chantreux
2018-03-16 18:13         ` Bart Schaefer
2018-03-16 18:56           ` Ray Andrews
2018-03-18 23:01             ` Bart Schaefer
2018-03-19  0:05               ` Ray Andrews
2018-03-17 23:17       ` Bart Schaefer

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