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Normalize line endings in C#.
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| /// <summary> | |
| /// Normalize line endings. | |
| /// </summary> | |
| /// <param name="lines">Lines to normalize.</param> | |
| /// <param name="targetLineEnding">If targetLineEnding is null, Environment.NewLine is used.</param> | |
| /// <exception cref="ArgumentOutOfRangeException">Unknown target line ending character(s).</exception> | |
| /// <returns>Lines normalized.</returns> | |
| /// <remarks> | |
| /// https://jonlabelle.com/snippets/view/csharp/normalize-line-endings | |
| /// </remarks> | |
| public static string NormalizeLineEndings(string lines, string targetLineEnding = null) | |
| { | |
| if (string.IsNullOrEmpty(lines)) | |
| { | |
| return lines; | |
| } | |
| targetLineEnding ??= Environment.NewLine; | |
| const string unixLineEnding = "\n"; | |
| const string windowsLineEnding = "\r\n"; | |
| const string macLineEnding = "\r"; | |
| if (targetLineEnding != unixLineEnding && targetLineEnding != windowsLineEnding && | |
| targetLineEnding != macLineEnding) | |
| { | |
| throw new ArgumentOutOfRangeException(nameof(targetLineEnding), | |
| "Unknown target line ending character(s)."); | |
| } | |
| lines = lines | |
| .Replace(windowsLineEnding, unixLineEnding) | |
| .Replace(macLineEnding, unixLineEnding); | |
| if (targetLineEnding != unixLineEnding) | |
| { | |
| lines = lines.Replace(unixLineEnding, targetLineEnding); | |
| } | |
| return lines; | |
| } |
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