progress-graph.pl - generate a chart that displays rakudo's progress with passing tests.
perl tools/progress-graph.pl [input_file [output_file]]
Create a chart that displays the number of passed, skipped and TODO tests.
input_file is given at the command line,
it is read and parsed as a CSV file.
if absent docs/spectest-progress.csv is used.
output_file is given,
the image is written to that file.
the file name
rakudo-tests-%s.png is used,
%s stands for the last processed date.