diff --git a/prepare.sh b/prepare.sh
new file mode 100755
index 0000000000000000000000000000000000000000..8bab702e32aca0f6bdc0e39c463a550db68f90f5
--- /dev/null
+++ b/prepare.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+BASE_URL=$1
+TARGET_CHANNEL=$2
+SITE_PATH=$3
+RELEASE_BASE_PATH=$4
+#$BASE_URL="https://top.etsi.org/top-extras/updatesite"
+
+update_contents() {
+    local TARGET_PATH=$1
+    # Escape slashes in the variable
+    CLEAN=$(echo "$TARGET_PATH" | sed 's/\//\\\//g')
+    # Use the escaped variable in a sed command
+    find . -type f | sed -e "s|$CLEAN_URL||g" > "$TARGET_PATH/content.txt"
+}
+
+process_contents() {
+    local base="content"
+    local channel=$1
+    local file="$base-$channel.txt"
+    curl "$BASE_URL/$channel/$base.txt" -o "$file"  
+    mkdir $channel
+
+    # Fetch files from page
+    # Read each line from the file
+    while IFS= read -r line; do
+        # Execute your command for each line
+        echo "Processing: $line"
+        # make parent dirs
+        mkdir -p `dirname "$line"`
+        # get file
+        curl "$BASE_URL/$channel/$line" -o "$channel/$line"
+        # update contents
+    done < "$file"
+    update_contents $channel
+    cp -r -f $channel/* $RELEASE_BASE_PATH/$channel
+}
+
+# process opposite channel
+if [ "$TARGET_CHANNEL" == "beta"]; then
+    process_contents "main"
+else
+    process_contents "beta"
+fi
+
+# update conteints
+update_contents "$SITE_PATH"
+