diff --git a/main.sh b/main.sh
new file mode 100755
index 0000000..a37cb5e
--- /dev/null
+++ b/main.sh
@@ -0,0 +1,39 @@
+#! /bin/sh
+
+main() {
+   set -e
+   set -o pipefail
+   pull
+}
+
+pull() {
+   local last_f=/tmp/ntfy_to_alert.since
+   touch "$last_f"
+   local since="$(cat "$last_f" | grep . || echo $(($(date +%s)-60*60*4)))"
+   for line_b64 in $(
+      curl \
+      -sS \
+      -u "squeaky2x3:dYbtypGkHXFtq1E00k2H42SPGUowi" \
+      "https://ntfy.home.blapointe.com/alerts/json?since=$since&poll=1" \
+      | grep . \
+      | while read -r line; do
+         echo "$line" | base64
+      done
+   ); do
+      local line="$(echo "$line_b64" | base64 --decode)"
+      local ts=$(echo "$line" | jq -r .time)
+      if ((ts+1>since)); then
+         since=$((ts+1))
+      fi
+      if which say &> /dev/null; then
+         say "$(echo "$line" | jq -r '.title+" "+.message')"
+      else
+         echo "!!! $line"
+      fi
+   done
+   echo "$since" | tee "$last_f" >&2
+}
+
+if [ "$0" == "$BASH_SOURCE" ]; then
+   main "$@"
+fi