O nano pode ser estendido para destacar o código de oitava.
~/.nanorc
# Octave syntax colors
syntax "octave" "\.m$" "\.octaverc$"
# keywords
color brightyellow "(case|catch|do|else(if)?|for|function|if|otherwise|switch|try|until|unwind_protect(_cleanup)?|vararg(in|out)|while)"
color brightyellow "end(_try_catch|_unwind_protect|for|function|if|switch|while)?"
color magenta "(break|continue|return)"
# storage-type
color green "(global|persistent|static)"
# data-type
color green "(cell(str)?|char|double|(u)?int(8|16|32|64)|logical|single|struct)"
# embraced
color brightred start="\(" end="\)" # this line needs to be fixed to work properly in all cases
color blue start="\[|\{" end="\]|\}"
# strings
color yellow ""(\.|[^\"])*"|'(\.|[^\"])*'"
# comments
color brightblue "#.*|%.*"
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