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+result

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+{ pkgs ? import <nixpkgs> {}, stdenv ? pkgs.stdenv , fetchurl ? pkgs.fetchurl , perl ? pkgs.perl }:

+

+stdenv.mkDerivation rec {

+  pname = "gnused-prefixed";

+  version = "4.8";

+

+  src = fetchurl {

+    url = "mirror://gnu/sed/sed-${version}.tar.xz";

+    sha256 = "0cznxw73fzv1n3nj2zsq6nf73rvsbxndp444xkpahdqvlzz0r6zp";

+  };

+

+  outputs = [ "out" "info" ];

+  configureFlags = [ "--program-prefix=g" ];

+

+  nativeBuildInputs = [ perl ];

+  preConfigure = "patchShebangs ./build-aux/help2man";

+

+  # Prevents attempts of running 'help2man' on cross-built binaries.

+  PERL = if stdenv.hostPlatform == stdenv.buildPlatform then null else "missing";

+

+  meta = {

+    homepage = "https://www.gnu.org/software/sed/";

+    description = "GNU sed, a batch stream editor";

+

+    longDescription = ''

+      Sed (stream editor) isn't really a true text editor or text

+      processor.  Instead, it is used to filter text, i.e., it takes

+      text input and performs some operation (or set of operations) on

+      it and outputs the modified text.  Sed is typically used for

+      extracting part of a file using pattern matching or substituting

+      multiple occurrences of a string within a file. This version installs sed

+      with a `g` program prefix, for use on macOS.

+    '';

+

+    license = stdenv.lib.licenses.gpl3Plus;

+

+    platforms = stdenv.lib.platforms.unix;

+    maintainers = [ ];

+  };

+}