gregorio --version (return code: 0)
Gregorio 5.0.1 (kpathsea version 6.2.3).
Copyright (C) 2006-2017 Gregorio project authors (see CONTRIBUTORS.md)
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
gregorio --help (return code: 0)
Usage: gregorio [OPTION]... [-s | INPUT_FILE]
Engrave Gregorian chant scores, convert a gabc file to GregorioTeX.
Options:
-o, --output-file FILE write output to FILE,
default is basename(INPUT_FILE).FORMAT
-S, --stdout write output to stdout
-s, --stdin read input from stdin
-l, --messages-file FILE output messages to FILE (default: stderr)
-F, --output-format FORMAT
specify output format (default: gtex)
-f, --input-format FORMAT
specify input format (default: gabc)
-p, --point-and-click generate Lilypond point and click information
-h, --help print this help message
-V, --version print version and exit
-L, --license print licence
-v, --verbose verbose mode
-W, --all-warnings output warnings
-D, --deprecation-errors treat deprecation warnings as errors
-d, --debug output debug information
Formats:
gabc gabc
gtex GregorioTeX
dump plain text dump (for debugging purpose)
See <http://gregorio-project.github.io/> for general documentation,
GregorioRef.pdf and GregorioNabcRef.pdf for full documentation.