Script to remove metadata from audio/video files using ffmpeg

remove_metadata.sh

#!/bin/bash

# Script to remove metadata from audio/video files using ffmpeg
# Usage: ./remove_metadata.sh input_file
# Example: ./remove_metadata.sh music.m4a

# Check if input file is provided
if [ $# -ne 1 ]; then
    echo "Error: Please provide an input file"
    echo "Usage: $0 input_file"
    exit 1
fi

input_file="$1"

# Check if input file exists
if [ ! -f "$input_file" ]; then
    echo "Error: Input file '$input_file' not found"
    exit 1
fi

# Get file extension
extension="${input_file##*.}"

# Create output filename by adding '_nometa' before the extension
filename="${input_file%.*}"
output_file="${filename}_nometa.${extension}"

# Display the current metadata before removal
echo "Current metadata of the file:"
ffmpeg -i "$input_file" -f ffmetadata - 2>/dev/null

# Remove metadata while keeping the original codec
echo -e "\nRemoving metadata..."
ffmpeg -i "$input_file" -map_metadata -1 -c copy "$output_file" -v warning

# Verify that metadata was removed
echo -e "\nVerifying metadata removal for output file:"
ffmpeg -i "$output_file" -f ffmetadata - 2>/dev/null

echo -e "\nMetadata removal complete!"
echo "Output file saved as: $output_file"