16th September 2022

improved the horizontal, vertical and chord views to show a colourized breakdown showing notes and intervals in the title section

12th September 2022

cosmetic change to the fingering characters used in chord view

8th November 2021

Added the Random subcommand to display ... random chords

6th July 2021

Added Dockerfile and instructions
Added a suite of convenience scripts

13th May 2021

Print command added
Completions changed to use Freemarker for generation and completion of -- options added

6th May 2021

Build updated - now Java 16

2nd May 2021

Added out of the box --tuning support

28th April 2021

Added left handed instrument support

3rd February 2021

Added the progression subcommand

31st December 2020

Happy New Year!
added find --digits/-d (couldn't use --fingers as --frets/-f got there first...)
added the first ukelele chord definition

26th December 2020

Happy Xmas!
chords from the internet archive of OLGA have been merged into the chord bank, which now has 1000+ chord definitions
as some of the OLGA chords have introduced notes, Frettler can both display them and search the chord bank for them through the use of the -a parameter ie frettler guitar chord c chord_dim -a d

22nd December 2020

colours used now sycnhronised across all views
chord charts fret inlays aligned

21st December 2020

chord charts improved to show circles and note/interval summary below

16th December 2020

chord fingering charts added with new chord command
vertical view now aligns notes on strings rather than in boxes
the find command renamed to display
the original chord command renamed to lookup

16th November 2020

added interactive menu mode (in a day!)
fixed banjo display of chords

8th November 2020

very extensive changes to accomplish understanding of flats within scales
fifths command added

16th Aug 2020

octaves working again
find command added
fixed mono display with intervals

15th Aug 2020

oops. broke it all with --octaves! Fixed but octaves temporarily disabled. I really must write some unit tests.

11th Aug 2020

added --octaves option

10th Aug 2020

on a roll, added the patterns command

10th Aug 2020

added --rule to the chord command with strict(default), relaxed and loose

6th Aug 2020

added verbose mode to explain Frettlers decision making

4th Aug 2020

windows demo script added

3rd Aug 2020

display of M10,M11 etc improved in the vertical view
added reverse chord lookup
aug7 chord corrected
chord analysis now tighter as it requires all intervals to match all those in the chord

26th Jul 2020

chord analysis completely refactored to make it more extensible
windows build and run scripts
minor refactoring
melodic_minor_scale fixed

25th Jul 2020

CLI command structure re-organised - scale|chord was unnecessary
added some modes for scale display
completions now generated using lower case params
--frets option added to allow display of greater than (or less than!) the default 12 frets
(code) patterns can be aliased
(code) patterns can have a parent pattern (used for chord calculation for pentatonic scales)
pentatonic chords generation fixed
display of intervals in the vertical view fixed
demo script added

23rd Jul 2020

lower case param handling

23rd Jul 2020

titles now include instrument details
more refactoring to correctly name some variables
BLUES_SCALE added
VERTICAL handling of SCALE added
unix/macOS executable shell replaced the simple frettler wrapper shell - built by the build shell.