Imported upstream version 1.4.8

[pkg-rrdtool.git] / doc / rrdlastupdate.1

diff --git a/doc/rrdlastupdate.1 b/doc/rrdlastupdate.1
index d205b47fe54a45a325745de22a3a59668a99f8c2..f6b7eeb0521cceaaf5c17974da706ad8ce82b8ca 100644 (file)
--- a/doc/rrdlastupdate.1
+++ b/doc/rrdlastupdate.1
@@ -1,15 +1,7 @@
-.\" Automatically generated by Pod::Man v1.37, Pod::Parser v1.32
+.\" Automatically generated by Pod::Man 2.25 (Pod::Simple 3.16)
 .\"
 .\" Standard preamble:
 .\" ========================================================================
-.de Sh \" Subsection heading
-.br
-.if t .Sp
-.ne 5
-.PP
-\fB\\$1\fR
-.PP
-..
 .de Sp \" Vertical space (when we can't use .PP)
 .if t .sp .5v
 .if n .sp
@@ -48,22 +40,25 @@
 .    ds R" ''
 'br\}
 .\"
+.\" Escape single quotes in literal strings from groff's Unicode transform.
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\"
 .\" If the F register is turned on, we'll generate index entries on stderr for
-.\" titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and index
+.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
 .\" entries marked with X<> in POD.  Of course, you'll have to process the
 .\" output yourself in some meaningful fashion.
-.if \nF \{\
+.ie \nF \{\
 .    de IX
 .    tm Index:\\$1\t\\n%\t"\\$2"
 ..
 .    nr % 0
 .    rr F
 .\}
-.\"
-.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
-.\" way too many mistakes in technical documents.
-.hy 0
-.if n .na
+.el \{\
+.    de IX
+..
+.\}
 .\"
 .\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
 .\" Fear.  Run.  Save yourself.  No user-serviceable parts.
@@ -129,12 +124,17 @@
 .\" ========================================================================
 .\"
 .IX Title "RRDLASTUPDATE 1"
-.TH RRDLASTUPDATE 1 "2008-07-23" "1.2.28" "rrdtool"
+.TH RRDLASTUPDATE 1 "2013-05-23" "1.4.8" "rrdtool"
+.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
 .SH "NAME"
 rrdlastupdate \- Return the most recent update to an RRD
 .SH "SYNOPSIS"
 .IX Header "SYNOPSIS"
 \&\fBrrdtool\fR \fBlastupdate\fR \fIfilename\fR
+[\fB\-\-daemon\fR\ \fIaddress\fR]
 .SH "DESCRIPTION"
 .IX Header "DESCRIPTION"
 The \fBlastupdate\fR function returns the \s-1UNIX\s0 timestamp and the 
@@ -142,6 +142,25 @@ value stored for each datum in the most recent update of an \s-1RRD\s0.
 .IP "\fIfilename\fR" 8
 .IX Item "filename"
 The name of the \fB\s-1RRD\s0\fR that contains the data.
+.IP "\fB\-\-daemon\fR \fIaddress\fR" 8
+.IX Item "--daemon address"
+Address of the rrdcached daemon. If specified, a \f(CW\*(C`flush\*(C'\fR command is sent
+to the server before reading the \s-1RRD\s0 files. This allows \fBrrdtool\fR to return
+fresh data even if the daemon is configured to cache values for a long time.
+For a list of accepted formats, see the \fB\-l\fR option in the rrdcached manual.
+.Sp
+.Vb 1
+\& rrdtool lastupdate \-\-daemon unix:/var/run/rrdcached.sock /var/lib/rrd/foo.rrd
+.Ve
+.SH "ENVIRONMENT VARIABLES"
+.IX Header "ENVIRONMENT VARIABLES"
+The following environment variables may be used to change the behavior of
+\&\f(CW\*(C`rrdtool\ lastupdate\*(C'\fR:
+.IP "\fB\s-1RRDCACHED_ADDRESS\s0\fR" 4
+.IX Item "RRDCACHED_ADDRESS"
+If this environment variable is set it will have the same effect as specifying
+the \f(CW\*(C`\-\-daemon\*(C'\fR option on the command line. If both are present, the command
+line argument takes precedence.
 .SH "AUTHOR"
 .IX Header "AUTHOR"
 Andy Riebs <andy.riebs@hp.com>