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EXAMPLES
cat mydata | pl -prefab processdata action=rotate
pl -prefab processdata data=mydata action=count fields="2 3"
DESCRIPTION
processdata is a
prefab
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.
The various manipulations that can be done are described on the
proc processdata man page
under the action attribute.
PARAMETERS
The only
standard prefab parameters
supported are data, and the parameters pertaining to the data file.
By default, data is - (read from standard input).
action is the data manipulation action to be performed. This parameter is mandatory.
See the
proc processdata man page
action attribute for allowable actions and the descriptions.
fields specifies one or more
data fields
to be involved in the operation.
