#!/usr/bin/env tsh
:
: tsh - " Force sh(1), csh(1), and other shells to exit w/ error! " <'' ;;;
:
: "  @(#)$Id: zdate.tsh,v 1.4 2019/05/08 14:29:16 jneitzel Exp $  "
:
: "  The author of this file, J.A. Neitzel <jan (at) etsh (dot) nl>,  "
: "  hereby grants it to the Public Domain.                           "
:

:
: "  Print the date and time for each time zone in the following list:   "
:
: "	o Pacific/Auckland,						 "
: "	  Australia/Brisbane, Australia/Sydney, Australia/Adelaide,	 "
: "	  Australia/Darwin, Australia/Perth, Europe/Amsterdam, UTC,	 "
: "	  Canada/Newfoundland, Canada/Atlantic, EST5EDT, America/Merida, "
: "	  CST6CDT, MST7MDT, PST8PDT, Pacific/Honolulu			 "
:
: "  usage: zdate  "
:

tsh - Pacific/Auckland Australia/Brisbane Australia/Sydney Australia/Adelaide \
      Australia/Darwin Australia/Perth Europe/Amsterdam UTC \
      Canada/Newfoundland Canada/Atlantic EST5EDT America/Merida CST6CDT \
      MST7MDT PST8PDT Pacific/Honolulu

: TZ
	env TZ=$1 date '+%a, %Y-%m-%d, %R %Z' | tr -d '\n'

	if $1 = Pacific/Auckland    echo -n ' (Auckland)'
	if $1 = Australia/Brisbane  echo -n ' (Brisbane)'
	if $1 = Australia/Sydney    echo -n ' (Sydney)'
	if $1 = Australia/Adelaide  echo -n ' (Adelaide)'
	if $1 = Australia/Darwin    echo -n ' (Darwin)'
	if $1 = Australia/Perth     echo -n ' (Perth)'
	if $1 = Europe/Amsterdam    echo -n ' (Amsterdam / Paris / Rome)'
	if $1 = Canada/Newfoundland echo -n " (St. John's)"
	if $1 = Canada/Atlantic     echo -n ' (Halifax)'
	if $1 = EST5EDT             echo -n ' (New York / Montreal / Toronto)'
	if $1 = America/Merida      echo -n ' (Merida / Mexico City)'
	if $1 = CST6CDT             echo -n ' (Chicago / Winnipeg)'
	if $1 = MST7MDT             echo -n ' (Denver / Edmonton)'
	if $1 = PST8PDT             echo -n ' (Seattle / Vancouver)'
	if $1 = Pacific/Honolulu    echo -n ' (Honolulu)'
	echo

	shift ;			: " Shift the arguments to the left by one. "
	if X$1 = X exit ;	: " Exit if no time-zone arguments remain.  "
	goto TZ ;		: " Otherwise, continue w/ the next loop.   "