On 29 Dec 2005, at 21:46, Duncan McGregor wrote:
I think I'm a little closer, but still in the dark. When I run
$ actual_ver="`cc -v 2>&1 | grep -i 'gcc version'`"
$ echo $actual_ver
gcc version 4.0.1 (Apple Computer, Inc. build 5247)
Now you can't see this, but bash is colouring 'gcc version' red. I
didn't think anything of it, but if I try
$ echo "gcc version 4.0.1 (Apple Computer, Inc. build 5247)" | sed -
e 's/.*gcc version \([^ ]*\).*/\1/'
4.0.1
I reckon that there must be some control character spat out by cc -
v which is screwing with the regexp?
Duncan
Well the problem is solved, and I thought I'd better post back to the
list for the record. The problem *was* control characters, but not
from gcc. My .bash_profile has export GREP_OPTIONS="--color=always",
which is handy in most circumstances, but fatal here! Remove the
line, and all is hunky-dory.
Thanks to Martin for just enough direction to dig my own way out of
my hole.
Duncan
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