nixpkgs/pkgs/applications/science/math/weka/default.nix

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{ lib, stdenv, fetchurl, jre, unzip, makeWrapper }:
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stdenv.mkDerivation rec {
pname = "weka";
version = "3.9.2";
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src = fetchurl {
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url = "mirror://sourceforge/weka/${lib.replaceChars ["."]["-"] "${pname}-${version}"}.zip";
sha256 = "0zwmhspmqb0a7cm6k6i0s6q3w19ws1g9dx3cp2v3g3vsif6cdh31";
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};
nativeBuildInputs = [ makeWrapper unzip ];
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# The -Xmx1000M comes suggested from their download page:
# http://www.cs.waikato.ac.nz/ml/weka/downloading.html
installPhase = ''
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mkdir -pv $out/share/weka
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cp -Rv * $out/share/weka
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makeWrapper ${jre}/bin/java $out/bin/weka \
--add-flags "-Xmx1000M -jar $out/share/weka/weka.jar"
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'';
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meta = {
homepage = "http://www.cs.waikato.ac.nz/ml/weka/";
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description = "Collection of machine learning algorithms for data mining tasks";
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license = lib.licenses.gpl2Plus;
maintainers = [ lib.maintainers.mimame ];
platforms = lib.platforms.unix;
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};
}