#! usr/bin/perl

use strict;
use warnings;
use Net::SFTP;
use Net::SSH::Perl::Buffer;

my $host = "*************";
my $userid = "****";
my $pwd = "******";

my $f  = Net::SFTP->new($host) or die "couldn't connect";
$f->login($userid, $pwd) or die "couldn't login"; 
print "successfully logged in\n"; 
##</code><code>##

 error:
Can't locate Net/SSH/Perl/Buffer.pm in @INC (@INC contains: /etc/perl /usr/local/lib/perl/5.14.2 /usr/local/share/perl/5.14.2 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.14 /usr/share/perl/5.14 /usr/local/lib/site_perl .) at /usr/local/share/perl/5.14.2/Net/SFTP/Buffer.pm line 6.
BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/Net/SFTP/Buffer.pm line 6.
Compilation failed in require at /usr/local/share/perl/5.14.2/Net/SFTP/Attributes.pm line 7.
BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/Net/SFTP/Attributes.pm line 7.
Compilation failed in require at /usr/local/share/perl/5.14.2/Net/SFTP.pm line 8.
BEGIN failed--compilation aborted at /usr/local/share/perl/5.14.2/Net/SFTP.pm line 8.
Compilation failed in require at ankur_ftp.pl line 5.
BEGIN failed--compilation aborted at ankur_ftp.pl line 5.