On Tue, May 20, 2008 at 01:33:15PM +1000, Mark Andrews wrote:
>
> And when tested does behave the way you describe.
>
> Mark
>
> drugs:9.5.x 13:30 {4371} % bash
> [EMAIL PROTECTED] ~/cvs/9.5.x]$ printenv | grep FOO
> [EMAIL PROTECTED] ~/cvs/9.5.x]$ FOO=ll
> [EMAIL PROTECTED] ~/cvs/9.5.x]$ export FOO
> [EMAIL PROTECTED] ~/cvs/9.5.x]$ printenv | grep FOO
> FOO=ll
> [EMAIL PROTECTED] ~/cvs/9.5.x]$ FOO=""
> [EMAIL PROTECTED] ~/cvs/9.5.x]$ export FOO
> [EMAIL PROTECTED] ~/cvs/9.5.x]$ printenv | grep FOO
> FOO=
> [EMAIL PROTECTED] ~/cvs/9.5.x]$ env -i PATH=$PATH printenv | grep FOO
> [EMAIL PROTECTED] ~/cvs/9.5.x]$
This is Solaris but bash is bash:
[EMAIL PROTECTED] ~]$ printenv | grep CFLAGS
CFLAGS=-xO3 -m32 -xarch=native -mt -I/usr/sfw/include -I/usr/X11/include
-I/opt/sfw/include
You have mail in /var/mail/duhring
[EMAIL PROTECTED] ~]$ export CFLAGS=""
[EMAIL PROTECTED] ~]$ printenv | grep CFLAGS
CFLAGS=
[EMAIL PROTECTED] ~]$ export CFLAGS='-xO3 -m32 -xarch=native'
[EMAIL PROTECTED] ~]$ printenv | grep CFLAGS
CFLAGS=-xO3 -m32 -xarch=native
[EMAIL PROTECTED] ~]$ export CFLAGS=""
[EMAIL PROTECTED] ~]$ printenv | grep CFLAGS
CFLAGS=
[EMAIL PROTECTED] ~]$ env -i PATH=$PATH printenv | grep CFLAGS
[EMAIL PROTECTED] ~]$
When I tell you that CFLAGS="", CFLAGS="", and a cursory
examination of my last compiler output would have shown you exactly
that.
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