NetBSD/etc/rc.subr

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# $NetBSD: rc.subr,v 1.3 1998/01/26 04:36:26 lukem Exp $
# functions used by various rc scripts
# Test $1 variable, and warn if not set to YES or NO.
checkyesno() {
eval value=\$${1};
case $value in
[Yy][Ee][Ss])
return 0;
;;
[Nn][Oo])
return 1;
;;
*)
logger -s "WARNING: \$${1} is not set properly."
return 1;
;;
esac
}