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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.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 gawk)
#:use-module (guix licenses)
#:use-module (gnu packages libsigsegv)
#:use-module (guix packages)
#:use-module (guix download)
#:use-module (guix build-system gnu))
(define-public gawk
(package
(name "gawk")
(version "4.0.2")
(source (origin
(method url-fetch)
(uri (string-append "mirror://gnu/gawk/gawk-" version
".tar.xz"))
(sha256
(base32 "04vd0axif762mf781pj3days6ilv2333b9zi9c50y5mma66g5q91"))))
(build-system gnu-build-system)
(arguments
`(#:parallel-tests? #f ; test suite fails in parallel
;; Work around test failure on Cygwin.
#:tests? ,(not (string=? (%current-system) "i686-cygwin"))
#:phases (alist-cons-before
'configure 'set-shell-file-name
(lambda* (#:key inputs #:allow-other-keys)
;; Refer to the right shell.
;; FIXME: Remove `else' arm upon core-updates.
,(if (%current-target-system)
'(let ((sh (which "sh")))
(substitute* "io.c"
(("/bin/sh") sh)))
'(let ((bash (assoc-ref inputs "bash")))
(substitute* "io.c"
(("/bin/sh")
(string-append bash "/bin/bash"))))))
,(if (%current-target-system)
'%standard-cross-phases
'%standard-phases))))
(inputs `(("libsigsegv" ,libsigsegv)))
(home-page "http://www.gnu.org/software/gawk/")
(synopsis "A text scanning and processing language")
(description
"Many computer users need to manipulate text files: extract and then
operate on data from parts of certain lines while discarding the rest, make
changes in various text files wherever certain patterns appear, and so on.
To write a program to do these things in a language such as C or Pascal is a
time-consuming inconvenience that may take many lines of code. The job is
easy with awk, especially the GNU implementation: Gawk.
The awk utility interprets a special-purpose programming language that makes
it possible to handle many data-reformatting jobs with just a few lines of
code.")
(license gpl3+)))
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