yes_k93

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#!/usr/bin/ksh93
################################################################
#### Program: yes_k93
#### 
#### Description: Emulation of the Unix "yes" command
#### 
#### Author: Dana French (dfrench@mtxia.com)
####         Copyright 2004
#### 
#### Date: 07/28/2004
#### 
################################################################
function yes_k93 {
  typeset TRUE="0"
  typeset FALSE="1"
  typeset VERBOSE="${FALSE}"
  typeset VERYVERB="${FALSE}"
  typeset FNAME

  while getopts ":vV" OPTION
  do
    case "${OPTION}" in
        'v') VERBOSE="${TRUE}";;
        'V') VERYVERB="${TRUE}";;
        '?') print "Syntax: yes_k93 [STRING]..." && exit 1 ;;
    esac
  done
 
  shift $(( ${OPTIND} - 1 ))

  STRING="${@}"
  [[ "_${STRING}" = "_" ]] && STRING="y"

  while :
  do
    print -- "${STRING}"
  done

  return "${TRUE}"
}
################################################################

yes_k93 "${@}"