diff --git a/Makefile b/Makefile
index b3c37d2..3cc4aab 100644
--- a/Makefile
+++ b/Makefile
@@ -24,6 +24,7 @@ sh:
 	cp -f sh/josm_launch $(DESTDIR)$(PREFIX)/bin
 	cp -f sh/start $(DESTDIR)$(PREFIX)/bin
 	cp -f sh/proxtest $(DESTDIR)$(PREFIX)/bin
+	cp -f sh/pco $(DESTDIR)$(PREFIX)/bin
 
 mkc:
 	cc c/scream.c -o c/scream
diff --git a/sh/pco b/sh/pco
new file mode 100755
index 0000000..9f92017
--- /dev/null
+++ b/sh/pco
@@ -0,0 +1,88 @@
+#!/bin/sh
+# script for interfacing with planning center online
+
+appid=$(cat "$HOME/.local/share/pco/appid")
+token=$(cat "$HOME/.local/share/pco/token")
+userid=$(cat "$HOME/.local/share/pco/userid")
+
+get_blockouts_online () {
+curl -su "$appid:$token" "https://api.planningcenteronline.com/services/v2/people/$userid/blockouts" | \
+  jq .data[].attributes.ends_at | \
+  awk -F'"|-|T' '
+function y(x) {
+  if (x == 1) return "Jan"
+  if (x == 2) return "Feb"
+  if (x == 3) return "Mar"
+  if (x == 4) return "Apr"
+  if (x == 5) return "May"
+  if (x == 6) return "Jun"
+  if (x == 7) return "Jul"
+  if (x == 8) return "Aug"
+  if (x == 9) return "Sep"
+  if (x == 10) return "Oct"
+  if (x == 11) return "Nov"
+  if (x == 12) return "Dec"
+  return "Unk"
+}
+
+{print y($3) " " $4 " " $2}' | \
+  tr '\n' '|' | \
+  sed 's/.\{1\}$//'
+}
+
+get_blockouts_local () {
+  grep "MSG Blockout date" "$DOTREMINDERS" | \
+  awk -F' ' '{print $2 " " $3 " " $4}'
+}
+
+get_blockouts () {
+  all_dates=$(get_blockouts_online)
+  OLDIFS="$IFS"
+  IFS="|"
+  for i in $all_dates; do
+    results=$(grep -c "^REM $i MSG Blockout date" "$DOTREMINDERS")
+    [ "$results" -eq 0 ] && \
+      printf "REM %s MSG Blockout date\n" "$i" >> "$DOTREMINDERS" && \
+      printf "added %s to calendar\n" "$i" || \
+      printf "omitted %s from the calendar, it's already there\n" "$i"
+  done
+  IFS="$OLDIFS"
+}
+
+push_blockouts () {
+  file=$(mktemp)
+  get_blockouts_online | tr '|' '\n' >> "$file"
+  local=$(get_blockouts_local)
+
+  # don't mess with the spacing
+  OLDIFS=$IFS
+  IFS="
+"
+  printf "temp file: %s\n" "$file"
+
+  for i in $local; do
+    count=$(grep -c "^$i$" "$file")
+    if [ "$count" -eq 0 ]; then
+      printf "push: %s\n" "$i"
+      stddate=$(date --date="$i" "+%Y-%m-%dT06:00:00Z")
+      curl -X POST -H "Content-Type: application/json" -d "
+        {
+          \"data\": {
+            \"attributes\": {
+              \"reason\": \"n/a\",
+              \"repeat_frequency\": \"no_repeat\",
+              \"starts_at\": \"$stddate\",
+              \"ends_at\": \"$stddate\"
+            }
+          }
+        }" -su "$appid:$token" "https://api.planningcenteronline.com/services/v2/people/$userid/blockouts"
+    fi
+  done
+
+  IFS=$OLDIFS
+
+  rm "$file"
+}
+
+get_blockouts
+push_blockouts