Note Transpose
A CLI tool to transpose notes by half steps
Table of Contents
Install
❯ gem install note-transpose
Usage
❯ note-transpose --help
Usage: note-transpose [-]<number half steps> <notes> [--pref-flat]
--pref-flat Always uses flat notes in output instead of sharp ones
Examples:
❯ note-transpose +1 C G F Am
=> Db Ab Gb Bbm
❯ note-transpose 2 C G F Am
=> D A G Bm
❯ note-transpose -2 D# G7 F Am7 Cadd7
=> C# F7 Eb Gm7 Bbadd7
❯ note-transpose -2 D# G7 F Am7 Cadd7 --pref-flat
=> Db F7 Eb Gm7 Bbadd7
You can even include the module in your code if you need that for some reason:
require 'note-transpose'
NoteTranspose.transpose(-3, "C", "F", "Am", "G")
# => ["A", "D", "Gbm", "E"]
Support
Please open an issue for support.
Contributing
Please contribute using Github Flow. Create a branch, add commits, and open a pull request.