clrmd

#!/bin/bash

# clrmd - Comprehensive metadata removal script
# Usage: clrmd *.pdf *.jpg *.docx

if [ "$#" -eq 0 ]; then
    echo "Usage: $0 file1 file2 ... (wildcards supported)"
    exit 1
fi

# Check for required dependencies
if ! command -v exiftool &> /dev/null; then
    echo "Error: exiftool is not installed. Install it with 'brew install exiftool'."
    exit 1
fi

if ! command -v xattr &> /dev/null; then
    echo "Error: xattr is not available on your system."
    exit 1
fi

# Loop through each file passed as an argument
for file in "$@"; do
    if [ -f "$file" ]; then
        echo "Processing: $file"

        # Step 1: Remove all internal metadata irreversibly with ExifTool
        echo "Removing internal metadata with ExifTool..."
        exiftool -all= -overwrite_original -pdf-update:All "$file" > /dev/null 2>&1

        if [ $? -ne 0 ]; then
            echo "Error: ExifTool failed to clean metadata for $file."
            continue
        fi

        # Step 2: Remove extended attributes
        echo "Removing extended attributes..."
        sudo xattr -cr "$file" > /dev/null 2>&1

        # Step 3: Verify extended attributes removal
        if [[ $(xattr -l "$file") ]]; then
            echo "Warning: Extended attributes still exist on $file. Try manual removal with 'sudo xattr -cr $file'."
        else
            echo "Extended attributes successfully removed."
        fi

        echo "Metadata cleaned: $file"
    else
        echo "Skipping (not a file): $file"
    fi
done

echo "All done!"