xindex (31jan19)

git-svn-id: svn://tug.org/texlive/trunk@49887 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 17 insertions, 1 deletions

diff --git a/Build/source/texk/texlive/linked_scripts/xindex/xindex.lua b/Build/source/texk/texlive/linked_scripts/xindex/xindex.lua
index 3ee85f53324..7b1ff4ab133 100755
--- a/Build/source/texk/texlive/linked_scripts/xindex/xindex.lua
+++ b/Build/source/texk/texlive/linked_scripts/xindex/xindex.lua
@@ -8,7 +8,7 @@
 -----------------------------------------------------------------------
 
         xindex = xindex or { }
- local version = 0.06
+ local version = 0.06b
 xindex.version = version
 --xindex.self = "xindex"
 
@@ -45,6 +45,7 @@ local args = require ('xindex-lapp') [[
     -n,--noheadings 
     -o,--output (default "")
     -l,--language (default en)
+    -p,--prefix  (default "")
     <input> (string)
 ]]
 
@@ -59,6 +60,18 @@ local args = require ('xindex-lapp') [[
 vlevel = not args.v[1] and 0 or #args.v
 not_quiet = not args["quiet"]
 
+local luaVersion = _VERSION
+if (luaVersion < "Lua 5.3") then
+  print("=========================================")
+  print("Sorry. but we need at least LuaTeX 1.09")
+  print("Leaving program xindex")
+  print("=========================================")
+  os.exit()
+end
+
+--local inspect = require 'inspect' 
+--print(inspect(args))
+
 --[[
 if args.h then
 print(
@@ -129,6 +142,9 @@ end
 
 writeLog(2,"Using input file: "..inFile.."\n",0)
 
+labelPrefix = args.prefix
+writeLog(2,"Label prefix: "..labelPrefix.."\n",-1)
+
 writeLog(2,"Loading common config file ".."xindex-cfg-common\n",1)
 Config_File_Common = kpse.find_file("xindex-cfg-common.lua") 
 cfg_common = require(Config_File_Common)