graph - draw a graph
graph [-a spacing [start]] [-b] [-c string] [-g gridstyle] [-l label] [-m connectmode] [-s] [-x [l] lower [ upper [spacing]]] [-y [l] lower [upper [spacing]]] [-h fraction] [-w fraction] [-r fraction] [-u fraction] [-t] ...
graph with no options takes pairs of numbers from the standard input as abscissaes and ordinates of a graph. Successive points are connected by straight lines. The standard output from graph contains plotting instructions suitable for input to plot(1B) or to the command lpr -g (see lpr(1B)).
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 contain blanks and numbers; labels never contain NEWLINE characters.
A legend indicating grid range is produced with a grid unless the -s option is present.
Each option is recognized as a separate argument. If a specified lower limit exceeds the upper limit, the axis is reversed.
-a spacing[ start ]
-x [ l ] lower [ upper [ spacing ] ]
-y [ l ] lower [ upper [ spacing ] ]
See attributes(5) for descriptions of the following attributes:
lpr(1B), plot(1B), spline(1), plot(3PLOT), attributes(5)
graph stores all points internally and drops those for which there is no room.
Segments that run out of bounds are dropped, not windowed.
Logarithmic axes may not be reversed.
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Created 1996-2023 by Maxim Chirkov
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