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<title>ploticus: processdata prefab</title>
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  <td><br><h2>processdata prefab</h2></td>
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  <small>
  <a href="../doc/welcome.html"><img src="../doc/ploticus.gif" border=0></a><br>
  Version 2.40 Jan'08
     </small><br><a href="../doc/prefabs.html">Prefabs</a>
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.TH processdata_prefab PL "15-JAN-2008   PL ploticus.sourceforge.net"

.SH EXAMPLES
.LP
\fCcat mydata | pl -prefab processdata action=rotate\fR
.LP
\fCpl -prefab processdata data=mydata action=count fields="2 3"\fR

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.SH DESCRIPTION
\fCprocessdata\fR is a 
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\0prefab
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that allows ploticus to operate as a data processing filter, to perform
various manipulations, such as summations.  The result data is written 
to standard output.  No plotting is done.
.LP
The various manipulations that can be done are described on the
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\0proc processdata man page
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under the \fBaction\fR attribute.

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.SH PARAMETERS

.IP \0
The only
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\0standard prefab parameters
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supported are \fBdata\fR, and the parameters pertaining to the data file.
By default, \fBdata\fR is \fC-\fR (read from standard input).

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.IP \0
\fBaction\fR is the data manipulation action to be performed.  This parameter is mandatory.
See the
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\0proc processdata man page
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\fBaction\fR attribute for allowable actions and the descriptions.

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.IP \0
\fBfields\fR specifies one or more
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\0data fields
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to be involved in the operation.

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<br>
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<a href="../doc/welcome.html">
<img src="../doc/ploticus.gif" border=0></a><br><small>data display engine &nbsp; <br>
<a href="../doc/Copyright.html">Copyright Steve Grubb</a>
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Ploticus is hosted at http://ploticus.sourceforge.net <br>
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