LilyPond Application Usage: 2.3 Command line options for convert-ly

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2.3 Command line options for `convert-ly`

The program is invoked as follows:

convert-ly [option]… filename…

The following options can be given:

-e,--edit: Apply the conversions direct to the input file, modifying it in-place.
-f,--from=from-patchlevel: Set the version to convert from. If this is not set, convert-ly will guess this, on the basis of \version strings in the file. E.g. --from=2.10.25
-n,--no-version: Normally, convert-ly adds a \version indicator to the output. Specifying this option suppresses this.
-s, --show-rules: Show all known conversions and exit.
--to=to-patchlevel: Set the goal version of the conversion. It defaults to the latest available version. E.g. --to=2.12.2
-h, --help: Print usage help.

To upgrade LilyPond fragments in texinfo files, use

convert-ly --from=... --to=... --no-version *.itely

To see the changes in the LilyPond syntax between two versions, use

convert-ly --from=... --to=... -s

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