X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=doc%2Frrdfetch.pod;h=51b5ccd99c8441f8f7f12021836ba22a902ccc56;hb=299d1636596a1911659e0a53bfad5c47e72835e0;hp=a6382b92692ad7c51373b1fc12b58e56903f5434;hpb=26f7c5c1ba83c8ab82cd271b143061f7fb13394c;p=rrdtool.git

diff --git a/doc/rrdfetch.pod b/doc/rrdfetch.pod
index a6382b9..51b5ccd 100644
--- a/doc/rrdfetch.pod
+++ b/doc/rrdfetch.pod
@@ -4,10 +4,10 @@ rrdfetch - Fetch data from an RRD.
 
 =head1 SYNOPSIS
 
-B<rrdtool> B<fetch> I<filename> I<CF> 
-S<[B<--resolution>|B<-r> I<resolution>]> 
-S<[B<--start>|B<-s> I<start>]> 
-S<[B<--end>|B<-e> I<end>]> 
+B<rrdtool> B<fetch> I<filename> I<CF>
+S<[B<--resolution>|B<-r> I<resolution>]>
+S<[B<--start>|B<-s> I<start>]>
+S<[B<--end>|B<-e> I<end>]>
 
 =head1 DESCRIPTION
 
@@ -20,11 +20,11 @@ function.
 
 =over 8
 
-=item I<filename> 
+=item I<filename>
 
 the name of the B<RRD> you want to fetch the data from.
 
-=item I<CF> 
+=item I<CF>
 
 the consolidation function that is applied to the data you
 want to fetch (AVERAGE,MIN,MAX,LAST)
@@ -52,8 +52,8 @@ specify the end time.
 
 =head2 RESOLUTION INTERVAL
 
-In order to get RRDtool to fetch anything other than the finest resolution RRA 
-B<both> the start and end time must be specified on boundaries that are 
+In order to get RRDtool to fetch anything other than the finest resolution RRA
+B<both> the start and end time must be specified on boundaries that are
 multiples of the desired resolution. Consider the following example:
 
  rrdtool create subdata.rrd -s 10 DS:ds0:GAUGE:300:0:U \
@@ -92,10 +92,10 @@ both start and end time are within the desired RRA
 
 =back
 
-So, if time now is called "t", do 
+So, if time now is called "t", do
 
  end time == int(t/900)*900,
- start time == end time - 1hour, 
+ start time == end time - 1hour,
  resolution == 900.
 
 Using the bash shell, this could look be:
@@ -103,7 +103,7 @@ Using the bash shell, this could look be:
  TIME=$(date +%s)
  RRDRES=900
  rrdtool fetch subdata.rrd AVERAGE -r $RRDRES \
-    -e $(echo $(($TIME/$RRDRES*$RRDRES))) -s e-1h
+    -e $(($TIME/$RRDRES*$RRDRES)) -s e-1h
 
 Or in Perl:
 
@@ -259,4 +259,4 @@ I<19970703 12:45> -- 12:45  July 3th, 1997
 
 =head1 AUTHOR
 
-Tobias Oetiker <oetiker@ee.ethz.ch>
+Tobias Oetiker <tobi@oetiker.ch>