Avoid obsolescent `test -a` constructs

dbry / WavPack

WavPack encode/decode library, command-line programs, and several plugins

BSD 3-Clause "New" or "Revised" License

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Closed SoapGentoo closed 3 years ago

SoapGentoo commented 3 years ago

POSIX calls the -a and -o operators obsolescent and strongly discourages their use, instead recommending chaining test calls instead: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/test.html

dbry commented 3 years ago

Thanks!