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((...) && (...)) parsing confused by line break


From: Tim Waugh
Subject: ((...) && (...)) parsing confused by line break
Date: Mon, 31 Jan 2005 12:15:39 +0000
User-agent: Mutt/1.4.1i

Configuration Information [Automatically generated, do not change]:
Machine: i386
OS: linux-gnu
Compiler: i386-redhat-linux-gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i386' 
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i386-redhat-linux-gnu' 
-DCONF_VENDOR='redhat' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL 
-DHAVE_CONFIG_H  -I.  -I. -I./include -I./lib  -D_LARGEFILE_SOURCE 
-D_FILE_OFFSET_BITS=64 -O2 -g -pipe -D_FORTIFY_SOURCE=2 -m32 -march=i386 
-mtune=pentium4
uname output: Linux gene.surrey.redhat.com 2.6.9-1.667 #1 Tue Nov 2 14:41:25 
EST 2004 i686 i686 i386 GNU/Linux
Machine Type: i386-redhat-linux-gnu

Bash Version: 3.0
Patch Level: 16
Release Status: release

Description:
        https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=146638

        This script fails:

( (echo line1) \
&& (echo line2))
((echo line3) && (echo line4))
((echo line5) \
&& (echo line6))

         like this:

line1
line2
line3
line4
test.sh: line 5: syntax error near unexpected token `'
test.sh: line 5: `&& (echo line6))'

        It seems as though the problem line might be being treated as
        though it is a ((...)) compound command, rather than nested
        subshells.

Repeat-By:
        bash test.sh

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