diff --git a/default/bash/fns/rsyncing b/default/bash/fns/rsyncing
new file mode 100644
index 00000000..76a061ad
--- /dev/null
+++ b/default/bash/fns/rsyncing
@@ -0,0 +1,29 @@
+# Rsync-on-change watchers: rsw starts one in the background, lsw lists, dsw stops
+rsw() {
+  (( $# != 2 )) && echo "Usage: rsw <source> <destination>" && return 1
+  local src="${1%/}" dest="$2"
+  # Reuse one SSH connection per login, so 1Password only prompts once.
+  local sockets="${XDG_RUNTIME_DIR:-$HOME/.ssh/sockets}"
+  mkdir -p "$sockets"
+  local rsh="ssh -o ControlMaster=auto -o ControlPath=$sockets/rsw-%r@%h:%p -o ControlPersist=yes"
+  setsid --fork env RSYNC_RSH="$rsh" bash -c 'rsync -a "$1/" "$2"; while inotifywait -r -q -e modify,create,delete,move "$1"; do rsync -a "$1/" "$2"; done' rsw-watch "$src" "$dest" >/dev/null 2>&1
+  echo "Watching $src -> $dest"
+}
+
+lsw() {
+  local pid cmd rest found=0
+  while read -r pid cmd; do
+    rest="${cmd##*rsw-watch }"
+    echo "$pid: ${rest% *} -> ${rest##* }"
+    found=1
+  done < <(pgrep -af 'rsw-watch ')
+  (( found )) || echo "No active watches"
+}
+
+dsw() {
+  local pid found=0
+  for pid in $(pgrep -f 'rsw-watch '); do
+    kill -- -"$pid" 2>/dev/null && echo "Stopped watch (pid $pid)" && found=1
+  done
+  (( found )) || echo "No active watches"
+}