diff --git a/sh/monitor b/sh/monitor
new file mode 100755
index 0000000..339d185
--- /dev/null
+++ b/sh/monitor
@@ -0,0 +1,23 @@
+#!/bin/zsh
+monitor() {
+    local time=$1
+    local lines=0
+    local elines=0
+    local stop=0
+    shift
+    trap stop=1 INT
+    while [ $stop -eq 0 ]; do
+        [  $lines -gt 1 ] && echo -en "\e[${lines}A"
+        [ $elines -gt 0 ] && echo -en "\e[${elines}A"
+        lines=0
+        elines=0
+        ($@ | fold -w $COLUMNS | while read -r; do
+            echo -E "$REPLY"
+            let lines++
+        done) 2>&1 | fold -w $COLUMNS | while read -r; do
+            echo -E "$REPLY" >&2
+            let elines++
+        done
+        sleep $time || break
+    done
+}