Ah thanks, that's exactly what I needed. Sure enough, it can be done. Here's the --help info:
```
Copyright (c) 2023 Modartt.
Options from command-line:
--help : show this help, and quit
--version : show current version number and date, and quit
--no-prefs : start Pianoteq without using any saved preference
--no-audio-prefs : start Pianoteq with a clean audio/midi configuration
--prefs FILENAME : stores the preferences in the specified file
--fxp FILENAME : load an FXP file on startup
--preset NAME : load a preset on startup
--list-presets : display the list of all presets
--midimapping NAME : load a midimapping preset on startup
--midi-channel CH : listen only to MIDI events on the specified channel (1<=value<=16 or 'all')
--midi-transpose x : transpose note events by the specified amount (-36<=x<=36)
--midi FILENAME : load a midi file, or a *.m3u playlist content. If filename is a folder,
the midi files contained in that folder
--open file1 file2 ... : load files, which can be midi, fxp, mfxp, ptq, scl or kbm files.
Must be used as the *last* option
--wav FILENAME : export midi file as WAV file, and quit
--flac FILENAME : export as FLAC
--mp3 FILENAME : export as MP3
--rate FREQ : change the sample rate for the exported wav
--bit-depth D : change the bit-depth for the exported wav (16,24 or 32)
--dither ON/OFF : turn dithering when exporting on or off
--normalize : turn on volume normalization for the exported wav
--normalize-db DB : change the normalization level (default value is -1dB)
--mono : export the wav file as mono
--headless : do not show the graphical interface
--fullscreen : start in fullscreen mode
--export-lv2-presets PATH : export all presets as LV2 presets
--export-lv2-presets-std : export lv2 preset to their default location, which is:
/home/tedpower/.lv2/
--export-presets-filter all|builtin|ptq|user : select which presets are exported, default is 'builtin'
--restore-windows : restore the a previously saved set of windows
--do-not-block-screensaver : prevent Pianoteq from keeping the screen on
--quiet : be less verbose
--play : immediately start playing the midi file
--play-and-quit : start playing the midi file, and quit when it ends
--serve [IP:]PORT : start a JSON-RPC server for remote control of Pianoteq.
When using --serve "" , the server listens on localhost:8081
Example of use: Pianoteq --preset "U4 Small" --midi foo.mid --wav foo.wav
```
