I found this script handy when recompiling package if I change useflags:
/John
john@newkid john $ cat /usr/local/bin/using
#!/bin/bash
packlist=/tmp/packlist
if [ -z "$1" ] || [ "${1:1:1}" = "-" ]
then
# When we do wrong, abort emerge
echo -p
cat <<EOT >&2
Usage: emerge \$($0 [arg1] [arg2]...)
Where [arg?] is a useflag
EOT
exit 0
fi
emerge --emptytree --verbose --pretend world | grep 'ebuild' > $packlist
while [ -n "$1" ]
do
packs="$packs $(cat $packlist | egrep
[[:space:]][-+]$1[[:space:]] | cut -d " " -f 7 | sed s/\-[0-9].*//)"
shift
done
rm $packlist
echo $packs
--
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