Sep 0.1.0-preview.4

This is a prerelease version of Sep.
There is a newer version of this package available.
See the version list below for details.
dotnet add package Sep --version 0.1.0-preview.4
NuGet\Install-Package Sep -Version 0.1.0-preview.4
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Sep" Version="0.1.0-preview.4" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Sep --version 0.1.0-preview.4
#r "nuget: Sep, 0.1.0-preview.4"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Sep as a Cake Addin
#addin nuget:?package=Sep&version=0.1.0-preview.4&prerelease

// Install Sep as a Cake Tool
#tool nuget:?package=Sep&version=0.1.0-preview.4&prerelease

Sep

Modern, minimal, fast, zero allocation¹, reading and writing of separated values (csv, tsv etc.). Trimmable and AOT friendly.

¹ After creation and first few rows both for reading/parsing and writing/formatting.

var text = """
           A;B;C;D;E;F
           Sep;🚀;1;1.2;0.1;0.5
           CSV;✅;2;2.2;0.2;1.5
           """;

using var reader = Sep.Reader().FromText(text);  // Infers separator 'Sep' from header
using var writer = reader.Sep.Writer().ToText(); // Writer defined from reader 'Sep'
                                                 // Use .FromFile(...)/ToFile(...) for files
var idx = reader.Header.IndexOf("B");
var nms = new[] { "E", "F" };

foreach (var readRow in reader)           // Read one row at a time
{
    var a = readRow["A"].Span;            // Column as ReadOnlySpan<char>
    var b = readRow[idx].ToString();      // Column to string (allocates new string per call)
    var c = readRow["C"].Parse<int>();    // Parse any T : ISpanParsable<T>
    var d = readRow["D"].Parse<float>();  // Parse float/double fast via csFastFloat
    var s = readRow[nms].Parse<double>(); // Parse multiple columns as Span<T>
                                          // - Sep handles array allocation and reuse
    foreach (ref var v in s) { v *= 10; }

    using var writeRow = writer.NewRow(); // Start new row. Row written on Dispose.
    writeRow["A"].Set(a);                 // Set by ReadOnlySpan<char>
    writeRow["B"].Set(b);                 // Set by string
    writeRow["C"].Set($"{c * 2}");        // Set via InterpolatedStringHandler, no allocs
    writeRow["D"].Format(d / 2);          // Format any T : ISpanFormattable
    writeRow[nms].Format(s);              // Format multiple columns directly
}

var expected = """
               A;B;C;D;E;F
               Sep;🚀;2;0.6;1;5
               CSV;✅;4;1.1;2;15
               """;
Assert.AreEqual(expected, writer.ToString());

// Above example code is for demonstration purposes only.
// Short names and repeated constants are only for demonstration.
Product Compatible and additional computed target framework versions.
.NET net7.0 is compatible.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (1)

Showing the top 1 NuGet packages that depend on Sep:

Package Downloads
WoW2.Backbone.Data.Transportation.Cars

Global manufactured cars static data and data providers

GitHub repositories (2)

Showing the top 2 popular GitHub repositories that depend on Sep:

Repository Stars
DataDog/dd-trace-dotnet
.NET Client Library for Datadog APM
JasonBock/Rocks
A mocking library based on the Compiler APIs (Roslyn + Mocks)
Version Downloads Last updated
0.5.2 272,314 4/21/2024
0.5.1 106 4/20/2024
0.5.0 2,417 4/15/2024
0.4.6 1,973 4/4/2024
0.4.5 1,003 3/28/2024
0.4.4 834 3/20/2024
0.4.3 910 3/10/2024
0.4.2 224 3/8/2024
0.4.1 79 3/8/2024
0.4.0 12,866 1/1/2024
0.4.0-preview.1 96 12/23/2023
0.3.0 901,533 11/18/2023
0.2.7 3,696 10/12/2023
0.2.6 456 9/27/2023
0.2.5 258 9/14/2023
0.2.4 234 9/8/2023
0.2.3 262 9/5/2023
0.2.2 475,336 8/10/2023
0.2.1 151 8/10/2023
0.2.0 944 8/7/2023
0.2.0-preview.3 102 7/29/2023
0.1.0 671 5/30/2023
0.1.0-rc.1 87 5/26/2023
0.1.0-preview.8 75 5/26/2023
0.1.0-preview.7 93 5/8/2023
0.1.0-preview.6 91 4/24/2023
0.1.0-preview.5 104 3/19/2023
0.1.0-preview.4 107 12/31/2022
0.1.0-preview.3 106 12/4/2022
0.1.0-preview.2 131 3/21/2022
0.1.0-preview.1 134 1/28/2022