File: capture_stderr.pl

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libnet-sftp-foreign-perl 1.73%2Bdfsg-1
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#!/usr/bin/perl

use strict;
use warnings;

use Net::SFTP::Foreign;
use File::Temp;

my $hostname = shift // 'localhost';

my $ssherr = File::Temp->new or die "tempfile failed";

my $sftp = Net::SFTP::Foreign->new($hostname, more => qw(-v), stderr_fh => $ssherr);

if ($sftp->error) {
  print "sftp error: ".$sftp->error."\n";
  seek($ssherr, 0, 0);
  while (<$ssherr>) {
    print " ssh error: $_";
  }
}

close $ssherr;