diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc
index db5f7cc..0099df9 100644
--- a/etc/zsh/zshrc
+++ b/etc/zsh/zshrc
@@ -87,7 +87,7 @@ psg () { ps axu | grep -v grep | grep -i $* } # hledání v běžících procese
 
 pskill () {
 	pids=($(psg $1|awk '{print $2}'))
-	
+
 	for pid in $pids; do
 		echo "Killing $pid..."
 		kill $pid
@@ -174,6 +174,17 @@ function mkvoid () {
 	rm -rf "${__MKVOID_ID}" || die "rm void"
 }
 
+# loop-shell COMMAND creates a shell that takes user_input and runs COMMAND user_input
+# e.g. "loop-shell grep -ri" creates a grepping shell
+function loop-shell {
+	while true
+	do
+		echo -n "-> "
+		read Q
+		$@ $Q
+	done
+}
+
 # history including search
 HISTFILE=~/.history
 HISTSIZE=10000000