add IG export script

scripts/export-IG.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# URL of the file to download
+url="https://simplifier.net/guide/implementierungsleitfaden-isik-modul-dokumentenaustausch-stufe-3/$exportaszipui"
+
+# Folder to save the downloaded files
+download_folder="downloaded_files"
+
+# Create the download folder if it doesn't exist
+mkdir -p "$download_folder"
+
+# Use curl to download the file and follow redirects, saving the file with the correct name
+#-L: Follow redirects.
+# -J: Save the file with the server-specified name or the last part of the URL.
+curl -LJO "$url"
+
+# Check if the download was successful
+if [ $? -eq 0 ]; then
+    # Get the downloaded filename
+    filename=$(ls -1 | grep "Implementierungsleitfaden*.zip" | head -n 1)
+
+    # Move the downloaded file to the specified folder
+    mv "$filename" "$download_folder/"
+
+    echo "File downloaded successfully and saved to: $download_folder/$filename"
+else
+    echo "Error downloading the file."
+fi