convert_webm_to_mp4.sh

convert_webm_to_mp4() {
  for file in *.webm; do

    if [[ ! -e "$file" ]]; then
      echo "No .webm files found in the current directory."
      return 1
    fi
    
    local newfile="${file/.webm/.mp4}"

    ffmpeg -i "$file" -c:v libx264 -preset fast -c:a aac "$newfile" && echo "$file converted to $newfile"
  done
}