--- euse	2008-03-06 10:39:55.827571464 +0100
+++ euse-modified	2008-03-06 12:56:53.842582269 +0100
@@ -26,6 +26,7 @@
 			-h | --help)    MODE="showhelp";;
 			-v | --version) MODE="showversion";;
 			-i | --info)    MODE="showdesc";;
+			-I | --info-installed) MODE="showinstdesc";;
 			-l | --local)   SCOPE="local";;
 			-g | --global)  SCOPE="global";;
 			-a | --active)  MODE="showflags";;
@@ -317,6 +318,86 @@
 	fi
 }
 
+# Works like showdesc() but displays only descriptions of which the appropriate
+# ebuild is installed and prints the name of those packages.
+showinstdesc() {
+	local descdir
+	local current_desc
+	local args
+	local foundone=0
+	
+	args="${*:-*}"
+	
+	if [ -z "${SCOPE}" ]; then
+		SCOPE="global" showinstdesc ${args}
+		echo
+		SCOPE="local" showinstdesc ${args}
+		return
+	fi
+	
+	descdir="$(get_portdir)/profiles"
+	
+	[ "${SCOPE}" == "global" ] && echo "global use flags (searching: ${args})"
+	[ "${SCOPE}" == "local" ] && echo "local use flags (searching: ${args})"
+	echo "************************************************************"
+	
+	if [ "${args}" == "*" ]; then
+		args="$(get_useflaglist | sort -u)"
+	fi
+	
+	set ${args}
+	
+	while [ -n "${1}" ]; do
+		if [ "${SCOPE}" == "global" ]; then
+			desc=`grep "^${1}  *-" "${descdir}/use.desc"`
+			if [ ! -z "$desc" ]; then
+				get_flagstatus "${1}"
+				echo $desc
+				# get list of installed packages matching this USE flag.
+				# equery does only display package names if it is called in
+				# backtick operators
+				packages="`equery hasuse -i ${1}`"
+				echo -n "Installed packages matching this USE flag: "
+				if [ -z "$packages" ]; then
+					foundone=0
+					echo "none"
+				else
+					foundone=1
+					echo 
+					echo $packages | tr ' ' '\n' | while read line; do
+						# cut off package's version information
+						echo $line | sed  -e 's/\-[0-9].*$//' 
+					done
+				fi
+			fi
+		fi
+		# local flags are a bit more complicated as there can be multiple 
+		# entries per flag and we can't pipe into printf
+		if [ "${SCOPE}" == "local" ]; then
+			OIFS="$IFS"
+			IFS=$'\n'
+			for line in `grep ":${1}  *-" "${descdir}/use.local.desc" \
+			| sed -e "s/^\([^:]\+\):\(${1}\) *- *\(.\+\)/\1|\2|\3/g"`; do
+				pkg="$(echo $line | cut -d\| -f 1)"
+				flag="$(echo $line | cut -d\| -f 2)"
+				desc="$(echo $line | cut -d\| -f 3)"
+				# print name only if package is installed
+				if [ `eix -Ie ${pkg} | wc -l` -gt 1 ]; then
+					foundone=1
+					get_flagstatus "${flag}"
+					printf "%s (%s):\n%s\n\n" "${flag}" "${pkg}" "${desc}"
+				fi
+			done
+			IFS="$OIFS"
+		fi
+		shift
+	done
+	
+	if [ ${foundone} == 0 ]; then
+		echo "no matching entries found"
+	fi
+}
+
 # show a list of all currently active flags and where they are activated
 showflags() {
 	local args