graph man page on UNIXv7

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GRAPH(1G)							     GRAPH(1G)

NAME
       graph - draw a graph

SYNOPSIS
       graph [ option ] ...

DESCRIPTION
       Graph with no options takes pairs of numbers from the standard input as
       abscissas and ordinates of a graph.  Successive points are connected by
       straight	 lines.	  The graph is encoded on the standard output for dis‐
       play by the plot(1) filters.

       If the coordinates of a point are followed by a nonnumeric string, that
       string  is  printed  as	a label beginning on the point.	 Labels may be
       surrounded with quotes "...", in which case they may be empty  or  con‐
       tain blanks and numbers; labels never contain newlines.

       The following options are recognized, each as a separate argument.

       -a     Supply  abscissas	 automatically	(they  are  missing  from  the
	      input); spacing is given by the next argument  (default  1).   A
	      second  optional	argument  is  the starting point for automatic
	      abscissas (default 0 or lower limit given by -x).

       -b     Break (disconnect) the graph after each label in the input.

       -c     Character string given by next argument  is  default  label  for
	      each point.

       -g     Next  argument  is  grid style, 0 no grid, 1 frame with ticks, 2
	      full grid (default).

       -l     Next argument is label for graph.

       -m     Next argument is mode (style) of	connecting  lines:  0  discon‐
	      nected,  1  connected (default).	Some devices give distinguish‐
	      able line styles for other small integers.

       -s     Save screen, don't erase before plotting.

       -x [ l ]
	      If l is present, x axis is logarithmic.  Next 1 (or 2) arguments
	      are  lower (and upper) x limits.	Third argument, if present, is
	      grid spacing on x axis.  Normally these  quantities  are	deter‐
	      mined automatically.

       -y [ l ]
	      Similarly for y.

       -h     Next argument is fraction of space for height.

       -w     Similarly for width.

       -r     Next  argument  is  fraction of space to move right before plot‐
	      ting.

       -u     Similarly to move up before plotting.

       -t     Transpose horizontal and vertical axes.  (Option -x now  applies
	      to the vertical axis.)

       A  legend  indicating  grid range is produced with a grid unless the -s
       option is present.

       If a specified lower  limit  exceeds  the  upper	 limit,	 the  axis  is
       reversed.

SEE ALSO
       spline(1), plot(1)

BUGS
       Graph  stores  all  points  internally  and drops those for which there
       isn't room.
       Segments that run out of bounds are dropped, not windowed.
       Logarithmic axes may not be reversed.

								     GRAPH(1G)
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