Kay Roepke 145b1f4fb3 Improve compatibility with *BSD xargs ...

The --no-run-if-empty option is a GNU extension and the long version isn't supported by *BSD variants.
Instead use the short version (-r) which is present, but ignored as it is the default behavior, in at least FreeBSD: https://www.freebsd.org/cgi/man.cgi?xargs

2019-05-28 13:46:19 +02:00

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