These parameters can be used when starting Mp3tag from the command line:

Start with directory

Mp3tag.exe /fp:"<full-qualified path to directory>"

Starts Mp3tag in the specified directory using the directory as working directory.

Start with file

Mp3tag.exe /fn:"<full-qualified file name>"

Starts Mp3tag with the specified file using the directory of the file as working directory.

Add directory or file

/add

Use this in combination with /fp or /fn to add files to the file list. Please note, that files are not automatically sorted when added to the file list.

Further Commands

Mp3tag is built as an interactive program, further commands are currently not planned.