#!/bin/bash
# dayinpast - given a date, report what day of the week it was

if test $Argc -ne 3  {
  echo "Usage: $[basename $0] mon day year" > !2
  echo "  with just numerical values (ex: 7 7 1776)" > !2
  exit 1
}

date --version > /dev/null !2 > !1 	# discard error, if any
setglobal baddate = "$Status"				# just look at return code

if test ! $baddate  {
  date -d $1/$2/$3 +"That was a %A."
} else {

  if test $2 -lt 10  {
    setglobal pattern = "" $2[^0-9]""
  } else {
    setglobal pattern = ""$2[^0-9]""
  }

  setglobal dayofweek = $[ncal $1 $3 | grep $pattern | cut -c1-2]

  match $dayofweek { 
    with Su  echo "That was a Sunday"; 	
    with Mo  echo "That was a Monday"; 	
    with Tu  echo "That was a Tuesday"; 	
    with We  echo "That was a Wednesday"; 	
    with Th  echo "That was a Thursday"; 	
    with Fr  echo "That was a Friday"; 	
    with Sa  echo "That was a Saturday"; 	
  }
}
exit 0