LinqPad Find Text in File

FindInFiles.linq

void Main()
{
	var searchWord = "TextToSearchFor";
	var searchPattern = "*.js";
	var sourceFolder = @"C:\_Dev\TFS\MyProject\Source\";
	
	var defaultProgram = @"C:\Program Files (x86)\Notepad++\notepad++.exe";

	List<string> allFiles = new List<string>();
	var fileCount = 0;
	AddFileNamesToList(sourceFolder, allFiles, searchPattern);
	$"Searching {allFiles.Count} Files With Pattern \"{searchPattern}\" For \"{searchWord}\"...".Dump();
	foreach (string fileName in allFiles)
	{
		var dumpName = true;
		var lineNum = 0;
		foreach (var line in File.ReadLines(fileName))
		{
			lineNum++;
			if(!line.Contains(searchWord)){
				continue;
			}
			if(dumpName){
				new Hyperlinq(() => { Process.Start(defaultProgram, fileName); }, fileName).Dump();
				dumpName = false;
				fileCount++;
			}
			
			var trimmed = line.Trim();
			if (trimmed.Length > 150)
			{
				trimmed = trimmed.Substring(0, 150);
			}
			($"{lineNum.ToString().PadLeft(4,'0')} - " + trimmed).Dump();
		}
		if(!dumpName){
			"".Dump();
		}
	}

	$"{fileCount} Files found!".Dump();
}

public static void AddFileNamesToList(string sourceDir, List<string> allFiles, string searchPattern)
{

	string[] fileEntries = Directory.GetFiles(sourceDir, searchPattern);
	foreach (string fileName in fileEntries)
	{
		allFiles.Add(fileName);
	}

	//Recursion    
	string[] subdirectoryEntries = Directory.GetDirectories(sourceDir);
	foreach (string item in subdirectoryEntries)
	{
		// Avoid "reparse points"
		if ((File.GetAttributes(item) & FileAttributes.ReparsePoint) != FileAttributes.ReparsePoint)
		{
			AddFileNamesToList(item, allFiles, searchPattern);
		}
	}
}