finish plot(s) and close EPS-file
eclose ([nCopies[,message]])
nCopies :
number of hardcopies, for printing 1 or more copies
default: nCopies=1, print one copy of current page
if nCopies=0 then ‘showpage’ will not append
message :
switch for ‘file written’ message
if message=1 then write message (default)
else no message