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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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