Add a "w" alias for watch.

ansible/roles/base/files/watch_freebsd

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+#
+# Imitate watch from linux
+set -euo pipefail
+IFS=$'\n\t'
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+############## Setup #########################
+
+function cleanup {
+    switch_to_main_screen
+}
+for sig in EXIT INT QUIT HUP TERM; do
+  trap "set +e; cleanup; exit" "$sig"
+done
+
+############## Program #########################
+
+function main {
+    switch_to_alt_screen
+    while true; do
+        local output=$("$@")
+        clear
+        cat <<<"$output"
+        sleep 2
+    done
+}
+
+function switch_to_alt_screen {
+    # tput smcup
+    echo -e "\e[?1049h"
+    clear
+}
+
+function switch_to_main_screen {
+    # tput rmcup
+    echo -e "\e[?1049l"
+}
+
+main "$@"