avoid updating weather information on get (59_Weather.pm)

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@6424 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/CHANGED

@@ -1,5 +1,6 @@
 # Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
 # Do not insert empty lines here, update check depends on it.
+  - change:  avoid updating weather information on get (59_Weather.pm)
   - change:  removed noshutdown=0 for HTTP connections made in 57_Calendar.pm
 	     and 59_Weather.pm to address issues when FHEM is behind 
 	     a web proxy

fhem/FHEM/59_Weather.pm

@@ -423,15 +423,14 @@ sub Weather_Get($@) {
 
   return "argument is missing" if(int(@a) != 2);
 
-  Weather_GetUpdateLocal($hash);
-
   my $reading= $a[1];
   my $value;
 
   if(defined($hash->{READINGS}{$reading})) {
         $value= $hash->{READINGS}{$reading}{VAL};
   } else {
-        return "no such reading: $reading";
+        return "Unknown reading $reading, choose one of " .
+	  join(" ", sort keys($hash->{READINGS}));
   }
 
   return "$a[0] $reading => $value";