indxbib makes an inverted index to the named database-file (which must reside within the current directory), typically for use by lookbib(1) and refer(1).
A database contains bibliographic references (or other kinds of information) separated by blank lines.
A bibliographic reference is a set of lines, constituting fields of bibliographic information. Each field starts on a line beginning with a `%', followed by a key-letter, then
a blank, and finally the contents of the field, which may continue until the next line starting with `%'.
indxbib is a shell script that calls two programs: /usr/lib/refer/mkey and /usr/lib/refer/inv. mkey truncates words to 6
characters, and maps upper case to lower case. It also discards words shorter than 3 characters, words among the 100 most common English words, and numbers (dates) < 1000 or > 2099. These parameters
can be changed.
indxbib creates an entry file (with a .ia suffix), a posting file (.ib), and a tag file (.ic), in the working directory.
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