declare within function: Forget about what I wrote.
Configuration Information [Automatically generated, do not change]: Machine: i386 OS: linux-gnu Compiler: gcc Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i386' -DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i386-pc-linux-gnu' -DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL -DHAVE_CONFIG_H -I. -I../bash -I../bash/include -I../bash/lib -g -O2 uname output: Linux tazzelwurm 2.6.11hcz1 #2 Fri Mar 11 20:01:21 CET 2005 i686 GNU/Linux Machine Type: i386-pc-linux-gnu Bash Version: 3.0 Patch Level: 16 Release Status: release Description: Forget my last message about what the declare statement does when used within a function. I apologize for wasting your time. Greetings, Heike ___ Bug-bash mailing list Bug-bash@gnu.org http://lists.gnu.org/mailman/listinfo/bug-bash
"declare" builtin creates local variables within functions
Configuration Information [Automatically generated, do not change]:
Machine: i386
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS: -DPROGRAM='bash' -DCONF_HOSTTYPE='i386'
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i386-pc-linux-gnu'
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash' -DSHELL
-DHAVE_CONFIG_H -I. -I../bash -I../bash/include -I../bash/lib -g -O2
uname output: Linux tazzelwurm 2.6.11hcz1 #2 Fri Mar 11 20:01:21 CET 2005 i686
GNU/Linux
Machine Type: i386-pc-linux-gnu
Bash Version: 3.0
Patch Level: 16
Release Status: release
Description:
When variables are created with the "declare" builtin while in
a function, they go out of scope when the function is left.
Repeat-By:
#!/bin/bash
foo(){
declare bar="y"
echo local:
declare -p bar
}
declare baz=12
foo
echo global:
declare -p bar baz
This outputs:
local:
declare -- bar="y"
global:
./x.sh: line 12: declare: bar: not found
declare -- baz="12"
Note: "bar" in the example above is not really handled like a generic
local variable. If the variable is already known at global level, the
"declare" within the function assigns to the global. So doing a
"bar=" before the "declare" is executed (even within the function)
makes the error disapper.
Thanks for your good job,
Heike
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