### 4.3.3 Invoking `abc2ly`

Note: This program is not supported, and may be remove from future versions of LilyPond.

ABC is a fairly simple ASCII based format. It is described at the ABC site:

> http://www.walshaw.plus.com/abc/learn.html.

`abc2ly` translates from ABC to LilyPond. It is invoked as follows:

>     abc2ly [option]… abc-file

The following options are supported by `abc2ly`:

`-b, --beams=None`

  preserve ABC’s notion of beams

`-h, --help`

  this help

`-o, --output=file`

  set output filename to file.

`-s, --strict`

  be strict about success

`--version`

  print version information.

There is a rudimentary facility for adding LilyPond code to the ABC source file. If you say:

>     %%LY voices \set autoBeaming = ##f

This will cause the text following the keyword ‘voices’ to be inserted into the current voice of the LilyPond output file.

Similarly,

>     %%LY slyrics more words

will cause the text following the ‘slyrics’ keyword to be inserted into the current line of lyrics.

#### Known issues and warnings

The ABC standard is not very ‘standard’. For extended features (e.g., polyphonic music) different conventions exist.

Multiple tunes in one file cannot be converted.

ABC synchronizes words and notes at the beginning of a line; `abc2ly` does not.

`abc2ly` ignores the ABC beaming.

其他语言：deutsch, español, français, magyar, italiano, 日本語。
About automatic language selection.

#### LilyPond — Usage v2.18.2 (稳定分支).