strum-pattern

Utility to generate common strumming diagrams for both guitars and ukuleles.

System Requirements

• A recent LilyPond
• A recent Ruby

Usage

Invoke the following command to generate its strumming diagram:

$ strum-pattern D-DU-_U-DU

You will get D-DU-_U-DU.png in your working directory.

Strumming Notation

• D-D-D-D
• D-D-DU-DU
• RU-RU-RU-RU (rest)
• D-D-D-_ (half note)
• D_DU-DU-D_DU-DU (sixteenth note)
• D-DU-_U-DU (tie)
• D_U-D_U-D_U-D_U (swing)

Command-Line Parameters

• -v or --version to show version info and exit
• -h or --help to show help message and exit
• -o or --output to specify the output file name
• -s or --size to specify the size of a fretboard diagram
• -ly or --lilypond to generate the corresponding LilyPond code instead

Limitation

To simplify its usage, the program merely support common strumming patterns. If you want something more complex, generate its LilyPond code for further modification by yourself.

Contribute

Welcome to package the program into some installable format like a Chocolatey package or a Homebrew package.

Other contributions are welcome as well.

Copyright

The program itself is licensed under MIT.

You keep your own strumming diagrams or LilyPond code generated by the program in any license you prefer.