From d27d603d01b025d1bb85e463601428736d01f273 Mon Sep 17 00:00:00 2001
From: Guillermo Ramos
Date: Tue, 25 Jun 2019 02:07:12 +0200
Subject: No empty responses, Logger::warn

---
 lib/TgLib/Logger.pm |  5 +++--
 tgserver            | 11 ++++++++---
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/lib/TgLib/Logger.pm b/lib/TgLib/Logger.pm
index fe5d6a9..17a111d 100644
--- a/lib/TgLib/Logger.pm
+++ b/lib/TgLib/Logger.pm
@@ -1,9 +1,9 @@
 package TgLib::Logger;
 
 use parent qw<Exporter>;
-our @EXPORT = qw<new debug info>;
+our @EXPORT = qw<new debug info warn>;
 
-my %level = (info => 1, debug => 2);
+my %level = (warn => 0, info => 1, debug => 2);
 
 sub log_level {
     my ($self, $msg, $level) = @_;
@@ -20,5 +20,6 @@ sub new {
 
 sub debug { log_level(@_, 'debug'); }
 sub info { log_level(@_, 'info'); }
+sub warn { log_level(@_, 'warn'); }
 
 1;
diff --git a/tgserver b/tgserver
index 18a3a72..91283ba 100755
--- a/tgserver
+++ b/tgserver
@@ -48,12 +48,17 @@ while (1) {
         print $progw $text;
         close($progw);
         my $response = join "", <$progr>;
+        chomp $response;
         $logger->debug("'$text' -> @ARGV -> '$response'\n");
         close($progr);
 
-        open(my $send, "|-", "$FindBin::Bin/tgsend $chatid");
-        print $send $response;
-        close($send);
+        if ($response) {
+            open(my $send, "|-", "$FindBin::Bin/tgsend $chatid");
+            print $send $response;
+            close($send);
+        } else {
+            $logger->warn("Empty response, skipping\n");
+        }
     }
     close($recv);
 }
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