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gA: declare and assign vs. declare then assign
From: |
Carlos Pita |
Subject: |
gA: declare and assign vs. declare then assign |
Date: |
Thu, 16 Jan 2014 01:04:54 -0200 |
Configuration Information [Automatically generated, do not change]:
Machine: i686
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i686'
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i686-pc-linux-gnu'
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash'
-DSHELL -DHAVE_CONFIG_H -I. -I. -I./include -I./lib
-D_FORTIFY_SOURCE=2 -march=i686 -mtune=generic -O2 -pipe
-fstack-protector --param=ssp-buffer-size=4
-DDEFAULT_PATH_VALUE='/usr/local/sbin:/usr/local/bin:/usr/bin'
-DSTANDARD_UTILS_PATH='/usr/bin' -DSYS_BASHRC='/etc/bash.bashrc'
-DSYS_BASH_LOGOUT='/etc/bash.bash_logout'
uname output: Linux localhost 3.12.5-1-ARCH #1 SMP PREEMPT Thu Dec 12
13:32:40 CET 2013 i686 GNU/Linux
Machine Type: i686-pc-linux-gnu
Bash Version: 4.2
Patch Level: 45
Release Status: release
Description:
When declaring a global associative array inside a function and
assigning a value to it at the same time, then the array is not
globally visible. This doesn't happen if I declare the array first and
then do the assignment. That is:
Buggy?:
function f {
declare -gA a=([a]=2 [b]=4)
}
Ok:
function f {
declare -gA a; a4=([a]=2 [b]=4)
}
I'm not sure if this is related to this previous report of mine:
http://lists.gnu.org/archive/html/bug-bash/2013-09/msg00025.html
If it is, at least I could say I've found a workaround :).
Repeat-By:
function f1 {
declare -ga a1=([1]=2 [2]=4)
declare -p a1
}
function f2 {
declare -gA a2=([a]=2 [b]=4)
declare -p a2
}
function f3 {
declare -ga a3; a3=([1]=2 [2]=4)
declare -p a3
}
function f4 {
declare -gA a4; a4=([a]=2 [b]=4)
declare -p a4
}
declare -A a5=([a]=2 [b]=4)
f1
f2
f3
f4
declare -p a1
declare -p a2
declare -p a3
declare -p a4
declare -p a5
- gA: declare and assign vs. declare then assign,
Carlos Pita <=