diff --git a/Data/HEPEVT.hs b/Data/HEPEVT.hs
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--- /dev/null
+++ b/Data/HEPEVT.hs
@@ -0,0 +1,50 @@
+{-|
+
+This modules provides a pure haskell implementation of a reader and writer for
+the ASCII HEPEVT file format.
+
+-}
+module Data.HEPEVT (
+  Event,
+
+  parseEventFile,
+  parseEvents,
+) where
+
+import qualified Data.ByteString.Char8 as S
+
+type Event = ([Double], [[Double]])
+
+parseEventFile :: String -> IO [Event]
+parseEventFile fname = do
+  S.readFile fname >>= return . parseEvents fname
+
+data Line = Meta String | E [Double] | P [Double] | V [Double] | Blank
+  deriving (Show, Eq)
+
+parseLine :: String -> Line
+parseLine line =
+  let ws = words line in
+    parseLine' ws line
+  where
+    parseLine' ("E":xs) _ = E $ map parseDouble xs
+    parseLine' ("P":xs) _ = P $ map parseDouble xs
+    parseLine' ("V":xs) _ = V $ map parseDouble xs
+    parseLine' _ line = if length line > 1 then Meta line else Blank
+
+getLines :: [String] -> [Line]
+getLines = map parseLine
+
+type ParseState = [Event]
+
+parseEvents :: String -> S.ByteString -> [Event]
+parseEvents fname dat =
+  let ls = S.split '\n' dat in 
+    reverse $ foldl process [] $ getLines (map S.unpack ls)
+  where
+    process events (E ds) = (ds, []):events
+    process ((el, vl):events) (V ds) = (el, ds:vl):events
+    process events _ = events
+
+parseDouble :: String -> Double
+parseDouble = read . reverse . dropWhile (=='.') . reverse
diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2011 Scott Lawrence <bytbox@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/Setup.hs b/Setup.hs
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--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/hepevt.cabal b/hepevt.cabal
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--- /dev/null
+++ b/hepevt.cabal
@@ -0,0 +1,62 @@
+-- hepevt.cabal auto-generated by cabal init. For additional options,
+-- see
+-- http://www.haskell.org/cabal/release/cabal-latest/doc/users-guide/authors.html#pkg-descr.
+-- The name of the package.
+Name:                hepevt
+
+-- The package version. See the Haskell package versioning policy
+-- (http://www.haskell.org/haskellwiki/Package_versioning_policy) for
+-- standards guiding when and how versions should be incremented.
+Version:             0.1
+
+-- A short (one-line) description of the package.
+Synopsis:            HEPEVT parser and writer
+
+-- A longer description of the package.
+Description:         This package implements a parser and writer for the ASCII HEPEVT event log file format
+
+-- The license under which the package is released.
+License:             MIT
+
+-- The file containing the license text.
+License-file:        LICENSE
+
+-- The package author(s).
+Author:              Scott Lawrence
+
+-- An email address to which users can send suggestions, bug reports,
+-- and patches.
+Maintainer:          bytbox@gmail.com
+
+-- A copyright notice.
+-- Copyright:           
+
+Category:            Physics
+
+Build-type:          Simple
+
+-- Extra files to be distributed with the package, such as examples or
+-- a README.
+-- Extra-source-files:  
+
+-- Constraint on the version of Cabal needed to build this package.
+Cabal-version:       >=1.6
+
+
+Library
+  -- Modules exported by the library.
+  Exposed-modules:     Data.HEPEVT
+  
+  -- Packages needed in order to build this package.
+  Build-depends:       haskell2010 >= 1.0, bytestring>=0.9
+  
+  -- Modules not exported by this package.
+  -- Other-modules:       
+  
+  -- Extra tools (e.g. alex, hsc2hs, ...) needed to build the source.
+  -- Build-tools:         
+
+source-repository head
+  type: git
+  location: https://github.com/bytbox/hepevt.hs.git
+