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To: sirjofri+ml-9front@sirjofri.de
To: 9front@9front.org
Date: Wed, 16 Dec 2020 11:50:31 -0800
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Subject: Re: [9front] [PATCH] Update hpost to use -r header like hget
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Quoth sirjofri <sirjofri+ml-9front@sirjofri.de>:
> Hello,
> 
> I don't know how exactly rc parses arguments when it invokes another 
> command, maybe try it with this concatenation?
> 
> '-r '^$headers
> 
> Notice the space and the quotes that make it effectively a string.
> 
> sirjofri
> 

won't work. rc doesn't re-expand arguments; it more or less
only splits words when evaluating `{}, so '-r foo' ends up
as one unit when you do the concatenation:

	cpu% h='-r '^('some header' 'another header')
	cpu% echo $#h
	2
	echo $h(1)
	-r some header

this is the big advantage of rc over unix sh, where you
"have" "to" "quote" "anything" "that" "can" "have"
"spaces", because the shell just reexpands it.