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#! /bin/sh
# Generate a TAGS file from a set of Octave .m files for use with Emacs.
#
# Run as '$ otags' in the given Octave directory to generate a
# TAGS file. If you want to include another directory, add a line
# prior to the "*.m" line containing something like
# `--include=/path/to/other/directory/TAGS" \'.
# Tags are generated for function names and for global variables. For
# global variables it doesn't work for more than one line global
# variables. :-(
# Tags are also created for lines of the form '###key foobar' so that
# you can jump to this specific place just by typing `M-. foobar'.
# Note that tags are not generated for scripts so that you have to add
# a line by yourself of the form `###key <script-name>' if you want to
# jump to it. :-(
# Author: Mario Storti <mstorti@minerva.unl.edu.ar>
etags --lang=none \
--regex='/[ \t]*function.*=[ \t]*\([^ \t()]*\)[ \t]*(/\1/' \
--regex='/[ \t]*function.*=[ \t]*\([^ \t()]*\)[ \t]*$/\1/' \
--regex='/[ \t]*function[ \t]*\([^ \t()]*\)[ \t]*(/\1/' \
--regex='/[ \t]*function[ \t]*\([^ \t()]*\)[ \t]*$/\1/' \
--regex='/###key \(.*\)/\1/' \
--regex='/[ \t]*global[ \t].*/' \
*.m
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