From 815921bb128358d9e85beb84157f44c1b6ed451f Mon Sep 17 00:00:00 2001
From: ivan <ivan>
Date: Fri, 15 Feb 2002 19:49:54 +0000
Subject: 0.04

---
 SSH.pm | 34 ++++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 14 deletions(-)

(limited to 'SSH.pm')

diff --git a/SSH.pm b/SSH.pm
index 990fa20..723237c 100644
--- a/SSH.pm
+++ b/SSH.pm
@@ -35,7 +35,10 @@ Net::SSH - Perl extension for secure shell
 
 =head1 DESCRIPTION
 
-Simple wrappers around ssh commands.
+Simple wrappers around ssh commands.  For an all-perl implementation that does
+not require
+the system `ssh' command, see Net::SSH::Perl.
+
 
 =head1 SUBROUTINES
 
@@ -73,8 +76,8 @@ sub issh {
 
 =item ssh_cmd [USER@]HOST, COMMAND [, ARGS ... ]
 
-Calls ssh in batch mode.  Dies if data occurs on the error stream.  Warns
-of data on the output stream.
+Calls ssh in batch mode.  Throws a fatal error if data occurs on the command's
+STDERR.  Returns any data from the command's STDOUT.
 
 =cut
 
@@ -83,19 +86,19 @@ sub ssh_cmd {
 
   my $reader = IO::File->new();
   my $writer = IO::File->new();
-  my $error = IO::File->new();
+  my $error  = IO::File->new();
 
   sshopen3( $host, $reader, $writer, $error, @command ) or die $!;
 
   local $/ = undef;
-    my $output_stream = <$writer>;
+  my $output_stream = <$writer>;
   my $error_stream = <$error>;
+
   if ( length $error_stream ) {
     die "[Net:SSH::ssh_cmd] STDERR $error_stream";
   }
-  if ( length $output_stream ) {
-    warn "[Net::SSH::ssh_cmd] STDOUT $output_stream";
-  }
+
+  return $output_stream;
 
 }
 
@@ -160,19 +163,19 @@ Q: My script is "leaking" ssh processes.
 A: See L<perlfaq8/"How do I avoid zombies on a Unix system">, L<IPC::Open2>,
 L<IPC::Open3> and L<perlfunc/waitpid>.
 
-=head1 AUTHOR
+=head1 AUTHORS
 
 Ivan Kohler <ivan-netssh_pod@420.am>
 
-=head1 CREDITS
+John Harrison <japh@in-ta.net> contributed an example for the documentation.
 
- John Harrison <japh@in-ta.net> contributed an example for the documentation.
+Martin Langhoff <martin@cwa.co.nz> contributed the ssh_cmd command, and
+Jeff Raffo <jraffo@fix.net> updated it and took care of the 0.04 release.
 
 =head1 COPYRIGHT
 
-Copyright (c) 2000 Ivan Kohler.
-Copyright (c) 2000 Silicon Interactive Software Design.
-Copyright (c) 2000 Freeside Internet Services, LLC
+Copyright (c) 2002 Ivan Kohler.
+Copyright (c) 2002 Freeside Internet Services, LLC
 All rights reserved.
 This program is free software; you can redistribute it and/or modify it under
 the same terms as Perl itself.
@@ -185,6 +188,9 @@ Look at IPC::Session (also fsh)
 
 =head1 SEE ALSO
 
+For an all-perl implementation that does not require the system B<ssh> command,
+see L<Net::SSH::Perl>.
+
 ssh-keygen(1), ssh(1), L<IO::File>, L<IPC::Open2>, L<IPC::Open3>
 
 =cut
-- 
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