apple mac ftxvalidator
https://developer.apple.com/download/more/?=font
% ftxvalidator [~/Desktop/Release210514][master]
ftxvalidator build 207, FontToolbox.framework build 340
Usage: ftxvalidator [-hlrSTvV] [-t testList] [-o outputfile] fontfile
Options:
-e An optional list of tests to exclude
-h Output this message
-K (--check-build-number) Check that the tool is at least the given version
`ftxvalidator-K 200` returns -1 if the build number is not 200 or higher
-l List available tests
-o An optional output file for test results; stdout is used if this parameter is not specified
-r Generate a full report
-S Generate a summary report
-t The tests to execute. Valid inputs are:
"all", execute all tests,
"core", execute the core test set,
"default", execute the default test set,
or a list of font test types, separated by commas,
or a list of test identifiers, separated by commas`
-T Generate a tabular report
-v Verbose operation, additional data is output to stderr
-V Output the tool's version to stdout
-W (--suppress-warnings) Suppress warning messages
