Subversion Repositories w11

#!/usr/bin/perl -w

# $Id: telnet_wrapper 547 2013-12-29 13:10:07Z mueller $

#

# Copyright 2009-2013 by Walter F.J. Mueller 

#

# This program is free software; you may redistribute and/or modify it under

# the terms of the GNU General Public License as published by the Free

# Software Foundation, either version 2, or at your option any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY

# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# for complete details.

#

#  Revision History:

# Date         Rev  Vers    Comment

# 2009-11-07   246   1.0    Initial version

#

use 5.005;                                  # require Perl 5.005 or higher

use strict;                                 # require strict checking

if (scalar(@ARGV) != 2) {

  print STDERR "usage: telnet_wrapper host port\n";

  exit 1;

}

my $host = $ARGV[0];

my $port = $ARGV[1];

print "$host $port\n";

my $telnet = `which telnet`;

chomp $telnet;

while(1) {

  my $rc = system $telnet, $host, $port;

  if ($rc != 0) {

    print STDERR "telnet failed with rc=$rc\n";

  }

  print "enter q or <^D> to quit, otherwise hit  to reconnect: ";

  my $buf;

  my $nc = read STDIN, $buf, 1;

  if (not defined $nc) {

    print "\n";

    exit 1;

  }

  if ($nc == 0) {

    print "\n";

    exit 0;

  }

  if ($buf eq "q") {

    exit 0;

  }

}