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Re: Pathname expansion not performed in Here Documents


From: Pierre Gaston
Subject: Re: Pathname expansion not performed in Here Documents
Date: Mon, 27 Feb 2012 08:26:58 +0200

On Mon, Feb 27, 2012 at 6:44 AM, Davide Baldini
<address@hidden> wrote:
> On 02/27/12 05:04, DJ Mills wrote:
>> Think of regular here-doc (with an unquoted word) as being treated the
>> same way as a double-quoted string
>
> Thank you Mills, of course I can understand it _now_, after having hit
> the problem, but my point is different: the description of a program's
> details should be first of all in its main point of reference, its
> manual. I'm a bit surprised that while the developers elite perfectly
> know the correct details, nobody is going to review a misleading manual
> being a reference for the most of us.

The manual seems quite clear:
"If word is unquoted, all lines of the here-document are subjected to
parameter  expansion,  command  substitution,  and arithmetic
expansion.  In the latter case, the character sequence \<newline> is
ignored, and \ must be used  to  quote the characters \, $, and `."

Maybe you could point the part of  the manual that mislead you into
thinking that  " here doc are supposed to expand with no special
exceptions" so that it can be corrected?



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