# xindex

Copyright 2019-2026 Herbert Voß
The files xindex-lapp.lua and xindex-pretty.lua have the MIT licence.
all other files are LPPL 1.3

Unicode compatible index programm for LaTeX. It needs Lua 5.3 which
will be included in at _least_ LuaTeX 1.09 (TeXLive 2019)

* xindex.lua            -- main file
* xindex-cfg-common.lua -- main config module
* xindex-cfg-uca.lua    -- config module for uca
* xindex-cfg-no_uca.lua -- config module for old mode
* xindex-base.lua       -- base file
* xindex-baselib.lua    -- base file
* xindex-lib.lua        -- functions module
* xindex-lapp.lua       -- read parameter
* xindex-unicode.lua    -- list of Unicode categories

The syntax of `xindex`

     xindex [options] <inputfile>[.idx] <inputfile>[.idx] ...
     <prog> | xindex -s ...
     cat <input file> | xindex -s ...
     xindex -s ...  < input file


possible options are (short,long):

    -q,--quiet
    -h,--help
    -v...          Verbosity level; can be -v, -vv, -vvv
    -V,--version
    -a,--no_casesensitive
    -b,--no_labels
    -c,--config (default "")
    -e,--escapechar (default ")
    -f,--fix_hyperref
    -g,--no_pagenumber
    -i,--ignoreSpace
    -k,--checklang               
    -l,--language (default en)   
    -n,--noheadings 
    -o,--output (default "")
    -p,--prefix (default L)
    -s,--use_stdin
    <files...> (default stdin) .idx file(s)

Testfiles:

demo.tex:  run

    lualatex demo
    ./xindex.lua demo.idx
    lualatex demo


buch.tex:  run

    ./xindex.lua buch.idx
    lualatex buch