Hi Ian, On Thu, 17 Jun 2021 11:42:13 -0700 Ian Rogers wrote: > > $(( .. )) is a bash feature but the test's interpreter is !/bin/sh, > switch the code to use expr. The $(( .. )) syntax is specified in POSIX (see https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_04), so unless this caused an actual problem, this change is unnecessary. -- Cheers, Stephen Rothwell