X Y {Z} <flag>rather than creating an actual plot on the current terminal. The flag character is "i" if the point is in the active range, "o" if it is out-of-range, or "u" if it is undefined. The data format is determined by the format of the axis tickmarks (see set format (p.
Syntax:
set table {"outfile" | $datablock} plot <whatever> unset table
Tabular output is written to the named file, if any, otherwise it is written
to the current value of set output. Alternatively, tabular output can be
redirected to a named data block. Data block names start with '$', see also
inline data (p. ). You must explicitly unset table in order to go back to normal
plotting on the current terminal.
See also plot with table (p. ).