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Re: white spaces are kept for a variable


From: Paul Smith
Subject: Re: white spaces are kept for a variable
Date: Mon, 25 Apr 2011 09:01:04 -0400

On Mon, 2011-04-25 at 07:48 +0430, ali hagigat wrote:
> In the following example, why white spaces before  "pedagogi" are not
> removed for var2?
> 
> var1=         
> var2=$(var1)      pedagogi

The manual says:

> Whitespace around the variable name and immediately after the `=' is
> ignored.

There is no whitespace immediately after the "=" here, so there's
nothing to ignore.

Parsing of the line into a variable name and value, including throwing
away whitespace, comes BEFORE expansion.

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