Configuration Information [Automatically generated, do not change]:
Machine: x86_64
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64'
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-redhat-linux-gnu'
-DCONF_VENDOR='redhat' -DLOCALEDIR='/usr/share/locale'
-DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I. -I./include
-I./lib -D_GNU_SOURCE -DRECYCLES_PIDS -O2 -g -pipe -Wall
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
--param=ssp-buffer-size=4 -m64 -mtune=generic -fwrapv
uname output: Linux okra.fo4.net 2.6.32-042stab053.5 #1 SMP Tue Mar 27
11:42:17 MSD 2012 x86_64 x86_64 x86_64 GNU/Linux
Machine Type: x86_64-redhat-linux-gnu
Bash Version: 4.1
Patch Level: 2
Release Status: release
Description:
expansion anomaly with quoted and concatenated positional parameters
Repeat-By:
a(){ echo
echo '"${@:2}a3 a2" a$1 #works as long as $1 and 3 are swapped'
echo "${@:2}a3 a2" a$1
"${@:2}a3 a2" a$1
echo $?
a=("${@}");}
b(){ echo
echo '"${@:2}b$1 b2" b3 #fails! why?'
echo "${@:2}b$1 b2" b3
"${@:2}b$1 b2" b3
echo $?
b=("${@}");}
c(){ echo
echo '${@:2}c$1 c2 c3 #works as long as quoting omitted'
echo ${@:2}c$1 c2 c3
${@:2}c$1 c2 c3
echo $?
c=("${@}");}
a x set y z;declare -p a
b x set y z;declare -p b
c x set y z;declare -p c
#output:
#"${@:2}a3 a2" a$1 #works as long as $1 and 3 are swapped
#set y za3 a2 ax
#0
#declare -a a='([0]="y" [1]="za3 a2" [2]="ax")'
#"${@:2}b$1 b2" b3 #fails! why?
#set y zbx b2 b3
#bash: set y zbx b2: command not found
#127
#declare -a b='([0]="x" [1]="set" [2]="y" [3]="z")'
#${@:2}c$1 c2 c3 #works as long as quoting omitted
#set y zcx c2 c3
#0
#declare -a c='([0]="y" [1]="zcx" [2]="c2" [3]="c3")'
