1 files changed, 38 insertions, 0 deletions

diff --git a/tests/argtable.lua b/tests/argtable.lua
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+++ b/tests/argtable.lua
@@ -0,0 +1,38 @@
+--
+-- ARGTABLE.LUA            Copyright (c) 2007, Asko Kauppi <akauppi@gmail.com>
+--
+-- Command line parameter parsing
+--
+-- NOTE: Wouldn't hurt having such a service built-in to Lua...? :P
+--
+
+local m= {}
+
+-- tbl= argtable(...)
+--
+-- Returns a table with 1..N indices being 'value' parameters, and any
+-- "-flag[=xxx]" or "--flag[=xxx]" parameters set to { flag=xxx/true }.
+--
+-- In other words, makes handling command line parameters simple. :)
+--
+--      15          -->     { 15 }
+--      -20         -->     { -20 }
+--      -a          -->     { ['a']=true }
+--      --some=15   -->     { ['some']=15 }
+--      --more=big  -->     { ['more']='big' }
+--
+function m.argtable(...)
+    local ret= {}
+    for i=1,select('#',...) do
+        local v= select(i,...)
+        local flag,val= string.match( v, "^%-+([^=]+)%=?(.*)" )
+        if flag and not tonumber(v) then
+            ret[flag]= (val=="") and true or tonumber(val) or val
+        else
+            table.insert( ret, v )  -- 1..N
+        end
+    end
+    return ret
+end
+
+return m