added watchit

.local/bin/tools/watchit

@@ -0,0 +1,15 @@
+#!/bin/sh
+HOME=$(tput cup 0 0)
+ED=$(tput ed)
+EL=$(tput el)
+printf '%s%s' "$HOME" "$ED"
+while true
+do
+    ROWS=$(tput lines)
+    COLS=$(tput cols)
+    CMD="$*"
+    ${SHELL:=sh} -c "$CMD" | head -n $ROWS | while IFS= read LINE; do
+        printf '%-*.*s%s\n' $COLS $COLS "$LINE" "$EL"
+    done
+    printf '%s%s' "$ED" "$HOME"
+done