/usr/share/doc/gri/examples/FEM.gri is in gri-html-doc 2.12.23-9build2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 | set missing value -99.99
# Create data using perl-script
system perl FEM.pl model.nodes model.elements > tmp
open tmp
read columns x y
close
draw curve
# Comment-out the next line if you want to inspect
# the temporary output.
system rm tmp
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