array unchanged when output of function is piped with '|'

[Arnulf Striepecke]

Machine: sparc
OS: solaris2.6
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DHOSTTYPE='sparc'
-DOSTYPE='solaris2.6' -DMACHTYPE='sparc-sun-solaris2.6' -DSHELL  
-DHAVE_CONFIG_H 
-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -I. -I. 
-I./lib -g -O2
uname output: SunOS highwayman.bn1.dsh.de 5.6 Generic_105181-15 sun4u sparc
SUNW,Ultra-250
Machine Type: sparc-sun-solaris2.6

Bash Version: 2.05/2.02
Patch Level: 1/0
Release Status: release

Hope all this helps:

Description:
                Changing a global array in a function, where it is exported
as well, has no effect
                on  array's values if the output of that function is piped
with '|'

        Just try the following script  with piping the output of function sub 
and 
                without piping:

Repeat-By:
#!/usr/local/bin/bash
declare -a ar
sub() {
   ar=('a b c d')
   export ar
}
ar=('bbb bbb')
echo $ar
sub  | tee s
echo $ar
exit

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