#!/bin/bash
# normdate--Normalizes month field in date specification
#   to three letters, first letter capitalized. A helper
#   function for Script #7, valid-date. Exits w/ zero if no error.

proc monthNumToName
{
  # Sets the variable 'month' to the appropriate value.
  match $1 {
    with 1  setglobal month = '"Jan'"      with 2  setglobal month = '"Feb'"    
    with 3  setglobal month = '"Mar'"      with 4  setglobal month = '"Apr'"    
    with 5  setglobal month = '"May'"      with 6  setglobal month = '"Jun'"    
    with 7  setglobal month = '"Jul'"      with 8  setglobal month = '"Aug'"    
    with 9  setglobal month = '"Sep'"      with 10 setglobal month = '"Oct'"    
    with 11 setglobal month = '"Nov'"      with 12 setglobal month = '"Dec'"    
    with *  echo "$0: Unknown numeric month value $1" > !2; exit 1
  }
  return 0
}

# BEGIN MAIN SCRIPT–-DELETE BELOW THIS LINE IF YOU WANT TO 
#   INCLUDE THIS IN OTHER SCRIPTS.
# =================
# Input validation
#if [ $# -ne 3 ] ; then
#  echo "Usage: $0 month day year" >&2
#  echo "Typical input formats are 'August 3 1962' and '8 3 2002'" >&2
#  exit 1
#fi
#if [ $3 -le 99 ] ; then	
#  echo "$0: expected four-digit year value." >&2; exit 1
#fi

# Is the month input format a number?
#if [ -z $(echo $1|sed 's/[[:digit:]]//g')  ]; then
#  monthNumToName $1
#else
  # Normalize to first three letters, first upper-, rest lowercase.
#  month="$(echo $1|cut -c1|tr '[:lower:]' '[:upper:]')"
#  month="$month$(echo $1|cut -c2-3 | tr '[:upper:]' '[:lower:]')"
#fi

#echo $month $2 $3

#exit 0