From bf6873cfd7239562fbade86027e55a3a588c2028 Mon Sep 17 00:00:00 2001
From: Lars Simon Winzer <lars.winzer@stud.unibas.ch>
Date: Mon, 9 Mar 2026 18:05:21 +0100
Subject: [PATCH] Add: Bash script for in-place converting all found .drawio
 files to svg's

---
 scripts/export-drawio.sh | 70 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100755 scripts/export-drawio.sh

diff --git a/scripts/export-drawio.sh b/scripts/export-drawio.sh
new file mode 100755
index 0000000..d00d8b8
--- /dev/null
+++ b/scripts/export-drawio.sh
@@ -0,0 +1,70 @@
+#!/bin/bash
+
+# Check for draw.io installation
+DRAWIO_PATH=""
+check_drawio_installed() {
+  if command -v drawio &>/dev/null; then
+    DRAWIO_PATH=$(command -v drawio)
+    return 0  # drawio via PATH
+  elif [[ -x "/Applications/draw.io.app/Contents/MacOS/draw.io" ]]; then
+    DRAWIO_PATH="/Applications/draw.io.app/Contents/MacOS/draw.io"
+    return 0  # For macOS check at default path
+  else
+    return 1  # not found
+  fi
+}
+
+if ! check_drawio_installed; then
+  echo "Error: 'drawio' was not found. Make sure, that the draw.io cli is installed."
+  echo "https://www.diagrams.net/"
+  exit 1
+else
+  echo "Draw.io installation found at: $DRAWIO_PATH"
+fi
+
+needs_export() {
+  local drawio_file="$1"
+  local svg_file="$2"
+
+  # If no file found, export
+  if [[ ! -f "$svg_file" ]]; then
+    return 0
+  fi
+
+  # Compare source (draw.io document) and exported file on mtime
+  if [[ "$drawio_file" -nt "$svg_file" ]]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+export_file() {
+  local drawio_file="$1"
+  local svg_file="${drawio_file%.drawio}.svg"
+
+  if needs_export "$drawio_file" "$svg_file"; then
+    echo "↻ Exportiere: $drawio_file"
+    echo "$svg_file"
+    echo "$drawio_file"
+    
+    "$DRAWIO_PATH" --export --format svg --transparent --output "$svg_file" "$drawio_file"
+  else
+    echo "✓ Up-to-date: $drawio_file"
+  fi
+}
+
+main() {
+  # Source - https://stackoverflow.com/a/9612232
+  # Posted by Kevin, modified by community. See post 'Timeline' for change history
+  # Retrieved 2026-03-09, License - CC BY-SA 4.0
+  find . -name '*.drawio' -print0 | 
+    while IFS= read -r -d '' line; do 
+        export_file "$line"
+    done
+
+  echo "✓ Exported all $file_count files"
+}
+
+# Start script at entry point
+main