first commit

setflags.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+usefile="/etc/portage/package.use/$1"
+touch /tmp/usefile
+
+function addflag
+{
+	if ! cat $usefile| tr ' ' '\n' |grep -e "^$1" ; then
+		if [[ $(echo $1 | cut -c 1) == '-' ]]; then
+			cat $usefile | sed -e 's/ '$(echo $1 | cut -c 2-)'//g' > /tmp/usefile
+			printf " $1" >> /tmp/usefile
+		else
+			cat $usefile | sed -e 's/ -'$1'//g' > /tmp/usefile
+			printf " $1" >> /tmp/usefile
+		fi
+	fi
+}
+
+if [[ -z $1 ]]; then
+	echo "specify a package atom."
+	exit
+elif [[ -z $2 ]]; then
+	echo "specify some flags."
+	exit
+elif [[ ! -f $usefile ]]; then
+	if [[ ! -d $(dirname $usefile) ]]; then
+		mkdir $(dirname $usefile)
+	fi
+	touch $usefile 
+fi
+
+printf "$1" > $usefile
+for i in $(echo ${BASH_ARGV[*]} | cut -f -$(( $BASH_ARGC -1 )) -d ' ')
+do
+	addflag $i
+	cat /tmp/usefile > $usefile
+done
+
+rm /tmp/usefile
+exit