diff --git a/buildCaseStatement.sh b/buildCaseStatement.sh
new file mode 100755
index 0000000..d2a86ae
--- /dev/null
+++ b/buildCaseStatement.sh
@@ -0,0 +1,72 @@
+#!/bin/sh
+
+export PATH=/usr/bin:/bin:/usr/sbin:/sbin
+
+downloadURL=${1?:"need to provide a download URL"}
+
+# Note: this tool _very_ experimental and does not work in many cases
+
+
+# create temporary working directory
+tmpDir=$(mktemp -d )
+
+# change directory to temporary working directory
+echo "Changing directory to $tmpDir"
+if ! cd "$tmpDir"; then
+    echo "error changing directory $tmpDir"
+    #rm -Rf "$tmpDir"
+    exit 1
+fi
+
+# download the dmg
+echo "Downloading $downloadURL"
+if ! curl --location --fail --silent "$downloadURL" --remote-header-name --remote-name; then
+    echo "error downloading $downloadURL"
+    exit 2
+fi
+
+archivePath=$(find $tmpDir -print )
+archiveName=${archivePath##*/}
+name=${archiveName%.*}
+archiveExt=${archiveName##*.}
+identifier=$(echo $name | tr '[:upper:]' '[:lower:]')
+
+if [ "$archiveExt" = "pkg" ]; then
+    teamID=$(spctl -a -vv -t install "$archiveName" 2>&1 | awk '/origin=/ {print $NF }' | tr -d '()' )
+elif [ "$archiveExt" = "dmg" ]; then
+    # mount the dmg
+    echo "Mounting $archiveName"
+    if ! dmgmount=$(hdiutil attach "$archiveName" -nobrowse -readonly | tail -n 1 | cut -c 54- ); then
+        echo "Error mounting $archiveName"
+        exit 3
+    fi
+    echo "Mounted: $dmgmount"
+    # check if app exists
+    
+    appPath=$(find "$dmgmount" -name "*.app" -maxdepth 1 -print )
+
+    # verify with spctl
+    echo "Verifying: $appPath"
+    if ! teamID=$(spctl -a -vv "$appPath" 2>&1 | awk '/origin=/ {print $NF }'  | tr -d '()' ); then
+        echo "Error verifying $appPath"
+        exit 4
+    fi
+    
+    hdiutil detach "$dmgmount"
+fi
+
+echo
+echo "    $identifier)"
+echo "        name=\"$name\""
+echo "        type=\"$archiveExt\""
+echo "        downloadURL=\"$downloadURL\""
+echo "        teamID=\"$teamID\""
+echo "        ;;"
+echo 
+
+if [ -e "${tmpDir}" ]; then
+    #echo "deleting tmp dir"
+    rm -rf "${tmpDir}"
+fi
+
+exit 0
\ No newline at end of file