sub ssh_cmd { #subroutine, not method
use Net::OpenSSH;
my $opt = { @_ };
- my $ssh = Net::OpenSSH->new($opt->{'user'}.'@'.$opt->{'host'});
+ open my $def_in, '<', '/dev/null' or die "unable to open /dev/null\n";
+ my $ssh = Net::OpenSSH->new(
+ $opt->{'user'}.'@'.$opt->{'host'},
+ 'default_stdin_fh' => $def_in
+ );
die "Couldn't establish SSH connection: ". $ssh->error if $ssh->error;
my $ssh_opt = {};
$ssh_opt->{'stdin_data'} = $opt->{'stdin_string'}
- if exists($opt->{'stdin_string'});
+ if exists($opt->{'stdin_string'}) and length($opt->{'stdin_string'});
my ($output, $errput) = $ssh->capture2($ssh_opt, $opt->{'command'});
die "Error running SSH command: ". $ssh->error if $ssh->error;