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Re: Question on $@ vs $@$@
From: |
Steffen Nurpmeso |
Subject: |
Re: Question on $@ vs $@$@ |
Date: |
Wed, 14 Aug 2024 22:05:34 +0200 |
User-agent: |
s-nail v14.9.25-599-g5c75a327b2 |
Hello.
I only respond to this to reduce the noise.
Chet Ramey wrote in
<1bba673e-5ab9-4263-9d88-124854793b4b@case.edu>:
|On 8/13/24 8:45 PM, Steffen Nurpmeso wrote:
|> I include bug-bash even though i think bash is correct, but there
|> lots of people of expertise are listening, so, thus.
|> Sorry for cross-posting, nonetheless.
|> Given this snippet (twox() without argument it is)
|>
|> one() { echo "$# 1<$1>"; }
|> two() { one "$@"; }
|> twox() { one "$@$@"; }
|> two
|> two x
|> twox
|> twox x
...
|When, as in this case, the result would be split if the double quotes
|weren't there, $@ within double quotes expands to nothing if there are
|no positional parameters, no matter how many times it appears.
As was shown there is standard wording which makes this case
explicitly unspecified. Thanks for pointing this out. I should
have reread the standard first (that particular wording is hard to
grasp for me).
And yes, i think bash is doing the more sensitive thing here, as
the standard says that "@" shall expand to zero, and zero plus
zero makes zero for me.
Thank you, and sorry for the noise.
Ciao,
--steffen
|
|Der Kragenbaer, The moon bear,
|der holt sich munter he cheerfully and one by one
|einen nach dem anderen runter wa.ks himself off
|(By Robert Gernhardt)
Re: Question on $@ vs $@$@, Oğuz, 2024/08/14
Re: Question on $@ vs $@$@, Robert Elz, 2024/08/14
Re: Question on $@ vs $@$@, Chet Ramey, 2024/08/14
- Re: Question on $@ vs $@$@,
Steffen Nurpmeso <=
- Re: Question on $@ vs $@$@, Steffen Nurpmeso, 2024/08/15
- Re: Question on $@ vs $@$@, Steffen Nurpmeso, 2024/08/15
- Re: Question on $@ vs $@$@, Robert Elz, 2024/08/16
- Re: Question on $@ vs $@$@, Steffen Nurpmeso, 2024/08/16
- Re: Question on $@ vs $@$@, Steffen Nurpmeso, 2024/08/16
- Re: Question on $@ vs $@$@, Steffen Nurpmeso, 2024/08/22
- Re: Question on $@ vs $@$@, Steffen Nurpmeso, 2024/08/22
- Re: Question on $@ vs $@$@, Greg Wooledge, 2024/08/22
- Re: Question on $@ vs $@$@, Steffen Nurpmeso, 2024/08/23
- Re: Question on $@ vs $@$@, Chet Ramey, 2024/08/26