INDEX build optimizations - please review
dougb at FreeBSD.org
Tue Jun 10 23:49:21 UTC 2008
Kris Kennaway wrote:
> The new 'make describe' target runs entirely using shell
> builtins apart from the need to sed pkg-descr to extract the WWW 
>  Actually I am not happy with this but couldn't think of a way to do
> it better. Having to fork the subshell costs about 60 seconds of system
> time and 10 of wall time.
Here's one way to do it. This is quick and dirty and I haven't
benchmarked it, but I imagine it would be faster.
while read one two discard; do
case "$one" in
WWW:) echo one: $one two: $two
case "$two" in
http://*) echo WWW= $two ;;
*) echo WWW= http://$two ;;
done < pkg-descr
I did test this briefly and it pulls out the right values for
variables with and without http://.
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