io.ly — Abjad v1.1.1 documentation

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# io.ly

`abjad.tools.io.` `ly`(target=-1)

  Call `ly( )` to `vi` LilyPond input files generated by Abjad.

  - When `target = -1` open the most recent LilyPond input file.
  - When `target = -2` open the next-to-last such file.
  - When `target` is positive, open `target.ly`

      abjad> t = Note(0, (1, 4))
      abjad> show(t)
      abjad> ly( )

      % Abjad revision 2162
      % 2009-05-31 14:29

      \version "2.12.2"
      \include "english.ly"
      \include "/Path/to/abjad/trunk/abjad/scm/abjad.scm"

      {
         c'4
      }

  Exit `vi` in the usual way with `:q` or equivalent.

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