etc/hosts


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# Static table lookup for hostnames.
# See hosts(5) for details.
103.212.81.31 xyzka

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#!/bin/sh
# DATE From To

while getopts cfF:t:T: opt; do
	case $opt in
		c) tz_from="Asia/Shanghai";;
		f) tz_from="$(tzselect)";;
		F) tz_from="$OPTARG";;
		# one extra ',' at the end will not let `for tz in ...` loop one extra time?
		t)	for i in $(seq "$OPTARG"); do
				tz_to="$(tzselect),$tz_to"
			done;;
		T) tz_to="$OPTARG,$tz_to";;
		\?) exit 1;;
	esac
done
shift $((OPTIND-1))