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Re: ensure a VPATH build
From: |
Andreas Schwab |
Subject: |
Re: ensure a VPATH build |
Date: |
Sat, 18 Feb 2006 21:33:19 +0100 |
User-agent: |
Gnus/5.110003 (No Gnus v0.3) Emacs/22.0.50 (gnu/linux) |
Keith Marshall <address@hidden> writes:
> Where is it *ever* necessary? The backticks themselves serve as quotes.
This is wrong. The expansion of a command substitution is subject to word
splitting and filename expansion, unless quoted. Especially the latter is
most serious.
> A string such as
> "a string `echo with an embedded backquoted` substring"
>
> can always be safely rewritten as
> "a string "`echo with an embedded backquoted`" substring"
$ echo `echo 'a b'`
a b
$ echo "`echo 'a b'`"
a b
Andreas.
--
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
- Re: ensure a VPATH build, (continued)
- Re: ensure a VPATH build, Keith Marshall, 2006/02/18
- Re: ensure a VPATH build, Andreas Schwab, 2006/02/18
- Re: ensure a VPATH build, Ralf Wildenhues, 2006/02/19
- Re: ensure a VPATH build, Keith MARSHALL, 2006/02/21
- Re: ensure a VPATH build, Ralf Wildenhues, 2006/02/21
- Possible zsh contention in pdfroff (Re: [autoconf] ensure a VPATH build), Keith MARSHALL, 2006/02/21
- Re: [Groff] Possible zsh contention in pdfroff (Re: [autoconf] ensure a VPATH build), Pedro A. López-Valencia, 2006/02/22
- Re: ensure a VPATH build,
Andreas Schwab <=
- Re: ensure a VPATH build, Julien Lecomte, 2006/02/19
- Re: ensure a VPATH build, Ralf Wildenhues, 2006/02/19
- Re: ensure a VPATH build, Julien Lecomte, 2006/02/19
- Re: ensure a VPATH build, Ralf Wildenhues, 2006/02/19