Fix condition to detect empty output

And remove some whitespace
This commit is contained in:
Florent 2012-03-28 15:05:40 +02:00
commit 90bcdf1054

View file

@ -26,14 +26,14 @@ C<user> I<required>: user with freemobile backend configured
C<env.HOME> I<required>: path to user home
C<env.freemonitored> (optional): default only 'voice sms'
The full list of monitored options is :
* voice sms mms data specialvoice voicetoint voiceint smsint mmsint dataint
The full list of monitored options is :
* voice sms mms data specialvoice voicetoint voiceint smsint mmsint dataint
C<env.cache_expire 3600> (optional): cache interval in second, or time
C<env.cache_expire 3600> (optional): cache interval in second, or time
between two connection to the website. The cache interval is 3 hours by default.
C<timeout 30> (optional): Munin internal option. The plugin can be slow,
30s is recommended.
C<timeout 30> (optional): Munin internal option. The plugin can be slow,
30s is recommended.
=head1 LICENSE
@ -163,7 +163,7 @@ sub fetch {
my @lines = <$data>;
close $data or carp "unable to close: $ERRNO";
# If error output, print the cache (if exist) and exit
if ( @cache_data > 0 ) {
if ( @lines == 0 ) {
if ( @cache_data > 0 ) {
print join q{}, @cache_data[ 1 .. $#cache_data ];
exit 0;