gnu: Add datamash.

* gnu/packages/datamash.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu-system.am

@@ -65,6 +65,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/curl.scm				\
   gnu/packages/cursynth.scm			\
   gnu/packages/cyrus-sasl.scm			\
+  gnu/packages/datamash.scm			\
   gnu/packages/dc.scm				\
   gnu/packages/dejagnu.scm			\
   gnu/packages/dictionaries.scm			\

gnu/packages/datamash.scm

@@ -0,0 +1,48 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages datamash)
+  #:use-module (guix packages)
+  #:use-module (guix licenses)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages perl)
+  #:use-module (gnu packages which))
+
+(define-public datamash
+  (package
+    (name "datamash")
+    (version "1.0.5")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "mirror://gnu/datamash/datamash-"
+                          version ".tar.gz"))
+      (sha256
+       (base32
+        "0f4rbbhl18fb851npza9cl8biynzr081f37ih2xsbvjlyrxhnz6b"))))
+    (native-inputs
+     `(("which" ,which)                 ;for tests
+       ("perl" ,perl)))                 ;for help2man
+    (build-system gnu-build-system)
+    (home-page "https://www.gnu.org/software/datamash/")
+    (synopsis "Scriptable statistics and data calculation")
+    (description
+     "Perform basic numeric, textual and statistical operations on plain text
+files.  Designed to work within standard pipelines without additional code.")
+    (license gpl3)))