misc/luabash/example/internal.lua

   1 -- --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 -- This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   3 --
   4 -- T2 SDE: internal.lua
   5 -- Copyright (C) 2006 The T2 SDE Project
   6 --
   7 -- More information can be found in the files COPYING and README.
   8 --
   9 -- This program is free software; you can redistribute it and/or modify
  10 -- it under the terms of the GNU General Public License as published by
  11 -- the Free Software Foundation; version 2 of the License. A copy of the
  12 -- GNU General Public License can be found in the file COPYING.
  13 -- --- T2-COPYRIGHT-NOTE-END ---
  14
  15 function plus(a,b)
  16    total=bash.getVariable("total")
  17    if total == nil then total=0 end
  18    prod=a*b
  19    total=total+prod
  20    print(a.." * "..b.." = "..prod)
  21    bash.setVariable("total", total)
  22    return result
  23 end
  24
  25 function callbash()
  26    goodresult=bash.call("some_bashy_function", "trash", "test", "a", "is", "this")
  27    badresult=bash.call("this-command-is-intentionally-wrong")
  28    print ("returncodes were: "..goodresult .. " " .. badresult)
  29 end
  30
  31 function redirections()
  32    repeat
  33       a=io.read()
  34       if a~=nil then print("xx"..a.."xx") end
  35    until a==nil
  36 end
  37
  38 function printenv()
  39    env=bash.getEnvironment()
  40    for key,val in pairs(env) do
  41       print(key.."="..val)
  42    end
  43 end
  44
  45 function zero()
  46    return 0
  47 end
  48
  49 function one()
  50    return 1
  51 end
  52
  53 function str()
  54    return "abc"
  55 end
  56
  57 function two()
  58    return 1, "two" -- :-)
  59 end
  60
  61 function boolean()
  62    return true
  63 end
  64
  65 -- register shortcuts to functions above
  66 bash.register("plus")
  67 bash.register("callbash")
  68 bash.register("redirections")
  69 bash.register("printenv")
  70 bash.register("zero")
  71 bash.register("one")
  72 bash.register("str")
  73 bash.register("two")
  74 bash.register("boolean")