Add scripts

extract_embedded_files.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+# extracts embedded files from all PDFs recursively to a $OUTPUT_DIR dir
+#
+# deps: pdfdetach (poppler utils)
+
+OUTPUT_DIR="./extracted_attachments"
+LOG_FILE="attachment_extraction.log"
+
+mkdir -p "$OUTPUT_DIR"
+> "$LOG_FILE"
+
+echo "----------------------------------------"
+echo "Starting attachment extraction scan..."
+echo "Log: $LOG_FILE" 
+echo "Output directory: $OUTPUT_DIR"
+echo "----------------------------------------"
+
+find . -type f -iname "*.pdf" | while read -r PDF_FILE; do
+    REL_PATH="${PDF_FILE#./}"
+    SAFE_NAME=$(echo "$REL_PATH" | tr '/' '_' | sed 's/\.pdf$//')
+    FILE_OUTPUT_DIR="$OUTPUT_DIR/$SAFE_NAME"
+
+    echo "Checking: $PDF_FILE" | tee -a "$LOG_FILE"
+
+    ATTACHMENT_LIST=$(pdfdetach -list "$PDF_FILE" 2>/dev/null)
+
+    if [ $? -eq 0 ] && [ -n "$ATTACHMENT_LIST" ]; then
+        ATTACH_COUNT=$(echo "$ATTACHMENT_LIST" | tail -n +2 | wc -l)
+
+        if [ "$ATTACH_COUNT" -gt 0 ]; then
+            echo "  -> Found $ATTACH_COUNT attachment(s)" | tee -a "$LOG_FILE"
+
+            mkdir -p "$FILE_OUTPUT_DIR"
+
+            pdfdetach -saveall "$PDF_FILE" -o "$FILE_OUTPUT_DIR" 2>&1 | tee -a "$LOG_FILE"
+
+            echo "--- Attachments in: $PDF_FILE ---" >> "$LOG_FILE"
+            echo "$ATTACHMENT_LIST" >> "$LOG_FILE"
+            echo "" >> "$LOG_FILE"
+        fi
+    fi
+done
+
+echo "----------------------------------------"
+echo "Extraction complete. Check $LOG_FILE for details."