#
# Experimental option GP_MACROS
#

if ((GPVAL_VERSION == 4.1 || GPVAL_VERSION == 4.2) \
&&  (!strstrt(GPVAL_COMPILE_OPTIONS,"+MACROS"))) \
    print ">>> Skipping demo <<<\n" ; \
    print "This copy of gnuplot was built without support for macro substitution\n" ; \
    exit ;

set macros
title = "Test of command line macro substitution"
style1 = "points"
style2 = "lines lw 2"
plot1 = "'1.dat' using 1:2 with @style1"
plot2 = "'1.dat' using 1:($2+1) with @style2"
plot3 = '@plot2'
plot4 = '@plot3'
plot5 = '@plot4'
plot6 = '@plot5'
#
set title title
plot @plot1 title 'plot1', \
     @plot2 title 'plot2'
show var
#
pause -1 "<cr> to test recursion depth"
#
plot @plot1 title 'plot1', @plot3 lt 3 title 'Recursion depth 3'
pause 1
plot @plot1 title 'plot1', @plot4 lt 4 title 'Recursion depth 4'
pause 1
plot @plot1 title 'plot1', @plot5 lt 5 title 'Recursion depth 5'
pause 1
plot @plot1 title 'plot1', @plot6 lt 6 title 'Recursion depth 6'
pause 1
#
pause -1