use the environment variable VCINSTALLDIR -- Ian Holsman <rrd.developers@holsman...

[rrdtool.git] / bindings / perl-shared / RRDs.pm

diff --git a/bindings/perl-shared/RRDs.pm b/bindings/perl-shared/RRDs.pm
index 7ed87c2..6146e43 100644 (file)
--- a/bindings/perl-shared/RRDs.pm
+++ b/bindings/perl-shared/RRDs.pm
@@ -75,10 +75,10 @@ B<RRDs::last> returns a single INTEGER representing the last update time.
  $lastupdate = RRDs::last ...
 
 B<RRDs::graph> returns an pointer to an ARRAY containing the x-size and y-size of the
-created gif and results of the PRINT arguments.
+created image and results of the PRINT arguments.
 
  ($averages,$xsize,$ysize) = RRDs::graph ...
- print "Gifsize: ${xsize}x${ysize}\n";
+ print "Imagesize: ${xsize}x${ysize}\n";
  print "Averages: ", (join ", ", @$averages);
 
 B<RRDs::info> returns a pointer to a hash. The keys of the hash
@@ -111,6 +111,17 @@ integers, a pointer to an array and a pointer to a array of pointers.
 
 See the examples directory for more ways to use this extension.
 
+=head1 NOTE
+
+If you are manipulating the TZ variable you should also call the posixs
+function tzset to initialize all internal state of the library for properly
+operating in the timezone of your choice.
+
+ use POSIX qw(tzset);
+ $ENV{TZ} = 'CET';   
+ POSIX::tzset();     
+
+
 =head1 AUTHOR
 
 Tobias Oetiker E<lt>oetiker@ee.ethz.chE<gt>