0.04 Added ssh_cmd

diff --git a/Changes b/Changes
index 66f3b9c..9db64af 100644 (file)
--- a/Changes
+++ b/Changes
@@ -1,5 +1,8 @@
 Revision history for Perl extension Net::SSH.
 
+0.04  fri Feb 15 14:05:06 2002
+       - added ssh_cmd
+
 0.03  Wec Oct 24 03:49:06 2001
        - current OpenSSH wants s/ /=/ in -o options
        - more documentation updates

diff --git a/SSH.pm b/SSH.pm
index e4e0887..990fa20 100644 (file)
--- a/SSH.pm
+++ b/SSH.pm
@@ -3,12 +3,13 @@ package Net::SSH;
 use strict;
 use vars qw($VERSION @ISA @EXPORT_OK $ssh $DEBUG);
 use Exporter;
+use IO::File;
 use IPC::Open2;
 use IPC::Open3;
 
 @ISA = qw(Exporter);
-@EXPORT_OK = qw( ssh issh sshopen2 sshopen3 );
-$VERSION = '0.03';
+@EXPORT_OK = qw( ssh issh ssh_cmd sshopen2 sshopen3 );
+$VERSION = '0.04';
 
 $DEBUG = 0;
 
@@ -26,6 +27,8 @@ Net::SSH - Perl extension for secure shell
 
   issh('user@hostname', $command);
 
+  ssh_cmd('user@hostname', $command);
+
   sshopen2('user@hostname', $reader, $writer, $command);
 
   sshopen3('user@hostname', $writer, $reader, $error, $command);
@@ -68,6 +71,34 @@ 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.
+
+=cut
+
+sub ssh_cmd {
+  my($host, @command) = @_;
+
+  my $reader = IO::File->new();
+  my $writer = IO::File->new();
+  my $error = IO::File->new();
+
+  sshopen3( $host, $reader, $writer, $error, @command ) or die $!;
+
+  local $/ = undef;
+    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";
+  }
+
+}
+
 =item sshopen2 [USER@]HOST, READER, WRITER, COMMAND [, ARGS ... ]
 
 Connects the supplied filehandles to the ssh process (in batch mode).
@@ -154,7 +185,7 @@ Look at IPC::Session (also fsh)
 
 =head1 SEE ALSO
 
-ssh-keygen(1), ssh(1), L<IPC::Open2>, L<IPC::Open3>
+ssh-keygen(1), ssh(1), L<IO::File>, L<IPC::Open2>, L<IPC::Open3>
 
 =cut