diff --git a/rpde-filter-deletes.sh b/rpde-filter-deletes.sh
new file mode 100755
index 0000000..c0b1856
--- /dev/null
+++ b/rpde-filter-deletes.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env sh
+
+# required commands: jq
+
+jq 'group_by(.id) | map(select(.[-1].state == "updated")) | flatten(1)' rpde-walk.json > rpde-filter-deletes.json
diff --git a/walk-rpde.sh b/rpde-walk.sh
similarity index 73%
rename from walk-rpde.sh
rename to rpde-walk.sh
index 6a19d9f..3e7c6f0 100755
--- a/walk-rpde.sh
+++ b/rpde-walk.sh
@@ -18,7 +18,7 @@ set -- $1 -1
 while [ "$2" -ne "0" ]
 do
   page_padded=$(printf '%0*d\n' ${#max} $page)
-  set -- $(curl -L -sS "$1" | jq '.' | tee rpde-$page_padded.json | jq -r '.next, (.items | length)')
+  set -- $(curl -L -sS "$1" | jq '.' | tee rpde-walk-$page_padded.json | jq -r '.next, (.items | length)')
   printf 'got page with next url: %s, num items: %s\n' "$1" $2
   case $1 in /*)
     set -- $base$1 $2
@@ -28,6 +28,6 @@ done
 
 if [ "$single_file" != "" ]
 then
-  jq -s '[.[].items[]]' rpde-*.json > rpde.json
-  rm -rf rpde-*.json
+  jq -s '[.[].items[]]' rpde-walk-*.json > rpde-walk.json
+  rm -rf rpde-walk-*.json
 fi