Useful Shell Commands

ffmpeg

Convert .mkv to .mp4

ffmpeg -i "${input_file}" -vcodec copy -acodec copy "${output_file_name}".mp4

File Handling

Change encoding for text file

iconv -f "ISO-8859-1" -t "UTF-8" "${input_file}" -s > "${output_file}"

Remove tags and move to Archive folder

for file in {query}
do

  # remove tag information in extended attributes, FinderInfo contains color info
  xattr -d com.apple.metadata:_kMDItemUserTags "$file"
  xattr -d com.apple.FinderInfo "$file"

  # move file
  mv "$file" "$archive_path"

done