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Full Discussion: placeholder in gnuplot data
Top Forums Shell Programming and Scripting placeholder in gnuplot data Post 302474125 by Corona688 on Tuesday 23rd of November 2010 10:27:34 AM
Old 11-23-2010
placeholder in gnuplot data

My input data has occasional holes in it, spots where a sensor couldn't be read. These are ERR in the data file instead of a floating point number. What should I change them to, for gnuplot to ignore these values instead of whining about them?
 

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XPL2GPL(1)						      General Commands Manual							XPL2GPL(1)

NAME
xpl2gpl - Convert tcptrace-style xplot input to gnuplot input. SYNOPSIS
xpl2gpl [-s] <file_name> DESCRIPTION
xpl2gpl is a utility that converters tcptrace-style xplot input to gnuplot input. This converter gives a nearly perfect gnuplot reproduc- tion of the corresponding xplot graph. OPTIONS
-s Seperate files. If you wish to plot only some data from the xpl file, you may use the -s option, which generates a bunch of data- files filtered based on the color and plotting style. EXAMPLES
xpl2gpl foo.xpl This would produce files by the names "foo.gpl", "foo.datasets" and "foo.labels". Load the file "file_name.gpl" in gnuplot and it should give you the plot. NOTES
xpl2gpl is provided for convenience, as gnuplot is more commonly installed than the xplot package that tcptrace typically expects, and because xplot has not always been available in Debian. If possible, you should consider installing the xplot-xplot.org package and using it instead of using xpl2gpl. AUTHOR
Avinash Lakhiani (no known email address) This manual page was written by Noah Meyerhans <noahm@debian.org> for the Debian project and may be used freely and without restriction by others. SEE ALSO
tcptrace(1) Aug 8, 2009 XPL2GPL(1)
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