03-normdate

#!/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.

monthNumToName()
{
  # Sets the variable 'month' to the appropriate value.
  case $1 in
    1 ) month="Jan"    ;;  2 ) month="Feb"    ;;
    3 ) month="Mar"    ;;  4 ) month="Apr"    ;;
    5 ) month="May"    ;;  6 ) month="Jun"    ;;
    7 ) month="Jul"    ;;  8 ) month="Aug"    ;;
    9 ) month="Sep"    ;;  10) month="Oct"    ;;
    11) month="Nov"    ;;  12) month="Dec"    ;;
    * ) echo "$0: Unknown numeric month value $1" >&2; exit 1
  esac
  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