52 lines
2 KiB
Nix
52 lines
2 KiB
Nix
{ stdenv, fetchurl, libbsd }:
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stdenv.mkDerivation rec {
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pname = "rs";
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version = "20200313";
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src = fetchurl {
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url = "https://www.mirbsd.org/MirOS/dist/mir/rs/${pname}-${version}.tar.gz";
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sha256 = "0gxwlfk7bzivpp2260w2r6gkyl7vdi05cggn1fijfnp8kzf1b4li";
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};
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buildInputs = [ libbsd ];
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buildPhase = ''
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${stdenv.cc}/bin/cc utf8.c rs.c -o rs -lbsd
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'';
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installPhase = ''
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install -Dm 755 rs -t $out/bin
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install -Dm 644 rs.1 -t $out/share/man/man1
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'';
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meta = with stdenv.lib; {
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description = "Reshape a data array from standard input";
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longDescription = ''
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rs reads the standard input, interpreting each line as a row of blank-
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separated entries in an array, transforms the array according to the op-
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tions, and writes it on the standard output. With no arguments (argc < 2)
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it transforms stream input into a columnar format convenient for terminal
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viewing, i.e. if the length (in bytes!) of the first line is smaller than
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the display width, -et is implied, -t otherwise.
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The shape of the input array is deduced from the number of lines and the
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number of columns on the first line. If that shape is inconvenient, a more
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useful one might be obtained by skipping some of the input with the -k
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option. Other options control interpretation of the input columns.
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The shape of the output array is influenced by the rows and cols specifi-
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cations, which should be positive integers. If only one of them is a po-
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sitive integer, rs computes a value for the other which will accommodate
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all of the data. When necessary, missing data are supplied in a manner
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specified by the options and surplus data are deleted. There are options
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to control presentation of the output columns, including transposition of
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the rows and columns.
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'';
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homepage = "https://www.mirbsd.org/htman/i386/man1/rs.htm";
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license = licenses.bsd3;
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maintainers = with maintainers; [ AndersonTorres ];
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platforms = platforms.unix;
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};
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}
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