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Use gnuplot to plot one or more files directly from the command line.

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gplot

Use gnuplot to plot one or more files directly from the command line. Originally discussed in the posting Using gnuplot from the command line but extended greatly from that initial appearance.

Usage: gplot [OPTION]... [GNUPLOTSPEC...] [::: [FILE]...]
Use gnuplot to plot one or more files directly from the command line.

  -3             Perform 3D plotting using gnuplot's splot command.
  -c             Populate the key using autotitling.
  -e             Turn on enhanced terminal features.
  -f FOREXPR     Prepend a 'for [FOREXPR]' to the plotting command.
  -g PATTERN     Grep for PATTERN in the input processing only matches.
  -h             Show this help message.
  -i             Interactive plotting mode.  Hit 'h' on plot for help.
  -l             Use logarithmic scale for y axis.
  -o FILE        Save the plot to FILE with type chosen via the extension.
                 Formats EPS, JPEG, PDF, PNG, and SVG supported.
  -p             Read data from pipe (stdin) rather than file.
  -s FILE        Save the generated gnuplot commands as a script called FILE.
  -t TITLE       Set TITLE as the plot title.
  -x XLABEL      Specify XLABEL as the x axis label.
  -y YLABEL      Specify YLABEL as the y axis label.
  -z ZLABEL      Specify ZLABEL as the z axis label.
  -C             Process comma-separated value (CSV) data.
  -F FREQUENCY   Replot the inputs every FREQUENCY seconds.
  -G             Show grid lines.
  -H BW          Ease making histograms using binwidth BW; see examples.
  -L             Use logarithmic scale for x axis.
  -M             In conjunction with option -3, employ 'set pm3d map'.
  -S FILE        Append the generated gnuplot commands to some FILE.
  -T TIMEFMT     Expect temporal x data formatted per 'set timefmt "TIMEFMT"'.
  -X XLOW:XHIGH  Specify an explicit x axis range instead of autoscaling.
  -Y YLOW:YHIGH  Specify an explicit y axis range instead of autoscaling.
  -Z ZLOW:ZHIGH  Specify an explicit z axis range instead of autoscaling.

Examples (see gnuplot documentation for complete GNUPLOTSPEC details):

  gplot -eci using 1:2 with linespoints ::: foo.dat
  gplot -s foo.gp -X 0:1 -Y 0:2 using 1:2 with linespoints ::: foo.dat
  gplot -c -o foo.eps using 1:2 with linespoints ::: <(head foo.dat | tail)
  gplot -f i=2:5 -o foo.png using 1:i with points ::: foo.dat
  gplot -C -T %Y%m%d using 1:2 ::: timedata.csv
  gplot -3 using '"x":"y":"z"' ::: restart*.dat  # Escaping of column names...
  gplot -3 using x:y:z ::: restart*.dat          # ...is done automatically
  gplot -H 0.01 using '(bin($1,bw)):(1.0)' smooth frequency w boxes ::: foo.dat
  ls -rt | head | gplot using '9:(0.0001)' smooth kdensity
  mycalc.x | gplot -p using 1:2:3 w yerrorbars   # mycalc.x prints to stdout

Input FILE(s) compressed by bzip2, gzip, or xz are transparently decompressed.
If [::: [FILE]...] and [-p] are absent, filenames are read from standard input.
The [-p] option is incompatible with [-f FOREXPR] and [-F FREQUENCY].
Variable $GNUTERM, defaulting to "wxt" then "x11", sets the default terminal.
On error, the failing gnuplot script is shown.

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Use gnuplot to plot one or more files directly from the command line.

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