In that case, maybe capture the result of your put command and check against that: 
my $success = $ftp->put($sub_log);

if ($success) { 
 print "FTP Put successful from server $ftp_server\n";
}

else {
 # handle and report errors
}

[download]

In reply to Re^3: Error Checking with Net::FTP by starX
in thread Error Checking with Net::FTP by nickfaber

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