Ralf Wildenhues asked: > So, how portable are these tools? If you are interested in a reliable answer soon, you can write tests for these tools that check the command line options and behaviours that you are interested in. Commit them to gnulib, and we'll do the portability testing for you.
For reference, find attached the outline of a testsuite that can be downloaded from [1]. You can see that professional test suite authors use a two-step process: 1. write down the properties and behaviours that you want to test, 2. write a test (a shell script in our case) for each. Bruno [1] http://www.linux-foundation.org/download/
utils_l1.html.gz
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