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Detect csv/tsv encoding #30

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Detect csv/tsv encoding #30

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9 changes: 8 additions & 1 deletion ExcelMerge/CsvReader.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,14 @@ internal class CsvReader
{
internal static IEnumerable<ExcelRow> Read(string path)
{
using (var sr = new StreamReader(path, Encoding.UTF8))
using (var stream = File.OpenRead(path))
{
var detector = new Ude.CharsetDetector();
detector.Feed(stream);
detector.DataEnd();
var encoding = detector.IsDone() ? Encoding.GetEncoding(detector.Charset) : Encoding.Default;
stream.Position = 0;
var sr = new StreamReader(stream, encoding);
var rowIndex = 0;
while (!sr.EndOfStream)
{
Expand All @@ -22,5 +28,6 @@ internal static IEnumerable<ExcelRow> Read(string path)
}
}
}

}
}
3 changes: 3 additions & 0 deletions ExcelMerge/ExcelMerge.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,9 @@
<Reference Include="System.Data" />
<Reference Include="System.Net.Http" />
<Reference Include="System.Xml" />
<Reference Include="Ude.NetStandard, Version=1.0.2.0, Culture=neutral, PublicKeyToken=103cb45fc06c90e4, processorArchitecture=MSIL">
<HintPath>..\packages\Ude.NetStandard.1.2.0\lib\net45\Ude.NetStandard.dll</HintPath>
</Reference>
</ItemGroup>
<ItemGroup>
<Compile Include="CsvReader.cs" />
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8 changes: 7 additions & 1 deletion ExcelMerge/TsvReader.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,14 @@ public class TsvReader
{
internal static IEnumerable<ExcelRow> Read(string path)
{
using (var sr = new StreamReader(path, Encoding.UTF8))
using (var stream = File.OpenRead(path))
{
var detector = new Ude.CharsetDetector();
detector.Feed(stream);
detector.DataEnd();
var encoding = detector.IsDone() ? Encoding.GetEncoding(detector.Charset) : Encoding.Default;
stream.Position = 0;
var sr = new StreamReader(stream, encoding);
var rowIndex = 0;
while (!sr.EndOfStream)
{
Expand Down
1 change: 1 addition & 0 deletions ExcelMerge/packages.config
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Expand Up @@ -3,4 +3,5 @@
<package id="Diff4Net" version="1.1.2" targetFramework="net452" />
<package id="NPOI" version="2.3.0" targetFramework="net452" />
<package id="SharpZipLib" version="0.86.0" targetFramework="net452" />
<package id="Ude.NetStandard" version="1.2.0" targetFramework="net452" />
</packages>