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From: Jilles Tjoelker <jilles@stack.nl>
To: Rusty Bird <rustybird@openmailbox.org>
Cc: dash@vger.kernel.org
Subject: Re: Ignored alias inside for loop
Date: Sun, 26 Jul 2015 20:41:59 +0200	[thread overview]
Message-ID: <20150726184159.GB4346@stack.nl> (raw)
In-Reply-To: <55B50628.5090901@openmailbox.org>

On Sun, Jul 26, 2015 at 04:09:12PM +0000, Rusty Bird wrote:
> > Aliases are expanded during parsing, not during execution (like 
> > functions are). The for loop is parsed completely before it is
> > executed.

> Ah, what confused me was that I wrongly remembered it working inside
> an if (instead of for) block. But looking again now, only the alias
> *definition* was inside.

> > Using a function instead of an alias, or using eval will do what
> > you want.

> Do you mean replacing the line with: eval "alias foobarbaz='echo ok'"
> That doesn't seem to work either (in dash or bash).

eval foobarbaz

This may not be practical since it needs to be done for every alias use.

Jilles Tjoelker

  reply	other threads:[~2015-07-26 18:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-26  9:23 Rusty Bird
2015-07-26 15:26 ` Jilles Tjoelker
2015-07-26 16:09   ` Rusty Bird
2015-07-26 18:41     ` Jilles Tjoelker [this message]
2015-07-27  8:24     ` Seb

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