Please see PR pkg/27207
http://www.NetBSD.org/cgi-bin/query-pr-single.pl?number=27207

The chg-disk shell script is not portable and a patch is provided above.

If you use sysutils/amanda-common and chg-disk please test it with some
different /bin/sh shells (like bash, sh and ksh).

The patch looks fine to me. But I don't use amanda.

 Jeremy C. Reed

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