# Start a loop to check for all correct switches, and apply input filenames to variables
while ( $done != 0 ) {

  if ( $count == 6 ) {
    print "\n  *** Error : Incomplete (or incorrect) command-line switches and arguments were provided. ***\n\n" ;
    print "  $0 -l <log_file> -u <userlist_file> -r <report_file>\n\n" ;
    print "     -l  <log_file>         The relative or absolute path to the webserver logfile.\n" ;
    print "     -u  <userlist_file>    The relative or absolute path to the user list file.\n" ;
    print "     -r  <report_file>      The relative or absolute path to the generated report file.\n\n" ;
    exit 202 ;
  }

  if ( $ARGV[$count] =~ /^-l$/i ) {
    $inputfile = $ARGV[$count + 1] ;
    $done-- ;
  }

  if ( $ARGV[$count] =~ /^-u$/i ) {
    $userlist = $ARGV[$count + 1] ;
    $done-- ;
  }

  if ( $ARGV[$count] =~ /^-r$/i ) {
    $outputfile = $ARGV[$count + 1] ;
    $done-- ;
  }

  $count = $count + 2 ;

}