Created
August 15, 2025 15:11
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searching path to files like `node`, `curl`, `dotnet.exe` in folders defined by the environment variable "Path"
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| /* | |
| dotnet-script search.cs dotnet.exe | |
| searching path to files like `node`, `curl`, `dotnet.exe` in folders defined by the environment variable "Path" | |
| */ | |
| #nullable enable | |
| //filename to search | |
| string? pattern = null; | |
| if (Args.Count() > 0) | |
| { | |
| pattern = Args[0].Trim(); | |
| } | |
| else | |
| { | |
| Console.WriteLine("arg is not specified"); | |
| return; | |
| } | |
| bool TryGetPath(string scriptName, out string? res){ | |
| var path = (Environment.GetEnvironmentVariables()["Path"] as string)!; | |
| var paths = path.Split(';'); | |
| foreach (var p in paths) | |
| { | |
| if (!Directory.Exists(p)) continue; | |
| var file = Directory.GetFiles(p, scriptName, SearchOption.TopDirectoryOnly).SingleOrDefault(); | |
| if (file is not null) | |
| { | |
| res = file; | |
| return true; | |
| } | |
| } | |
| res = null; | |
| return false; | |
| } | |
| if (TryGetPath(pattern!, out string? result)) | |
| { | |
| Console.WriteLine($"Path to {pattern}:\n{result}"); | |
| } | |
| else | |
| { | |
| Console.WriteLine($"No `{pattern}` found."); | |
| } |
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