Date: Thu, 12 Mar 2009 10:40:53 -0400 From: Alex Goncharov <alex-goncharov@comcast.net> To: gesbbb@yahoo.com Cc: freebsd-ports@freebsd.org Subject: Re: shells/bash-4.0 port horribly broken Message-ID: <E1Lhm5d-000DIw-3A@daland.home> In-Reply-To: <20090312103015.2ee5dbef@scorpio> (message from Jerry on Thu, 12 Mar 2009 10:30:15 -0400) References: <20090311210322.GA17971@ozzmosis.com> <20090312073556.GA39778@ozzmosis.com> <20090312112958.4d0cac92.ehaupt@FreeBSD.org> <76B7C6A4-B380-4224-AF69-03ABB1CE5175@lassitu.de> <20090312103015.2ee5dbef@scorpio>
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,--- You/Jerry (Thu, 12 Mar 2009 10:30:15 -0400) ----*
| I am having the exact same problem. Several of my scripts are now
| failing. I have modified a few with the older "`" tic method to make
| them work; however, I feel that the easiest thing would be to simply
| revert to Bash-3.
|
| Was this some sort of 'improvement' by the Bash developers, or is it
| an un-squashed bug?
Breaking the $(command) substitution would be catastrophic and Bash
4.0 documentation claims support for it:
http://tiswww.case.edu/php/chet/bash/bashref.html
Bash Reference Manual
This text is a brief description of the features that are present in
the Bash shell (version 4.0, 29 December 2008).
This is Edition 4.0, last updated 29 December 2008, of The GNU Bash
Reference Manual, for Bash, Version 4.0.
3.5.4 Command Substitution
Command substitution allows the output of a command to replace the
command itself. Command substitution occurs when a command is enclosed
as follows: $(command)
or `command`
Bash performs the expansion by executing command and replacing the
command substitution with the standard output of the command, with any
trailing newlines deleted. Embedded newlines are not deleted, but they
may be removed during word splitting. The command substitution $(cat
file) can be replaced by the equivalent but faster $(< file).
-- Alex -- alex-goncharov@comcast.net --
/*
* Every time I lose weight, it finds me again!
*/
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