Get number of files in a directory

[faca87]

Hello, is there a way to get the number of files in a directory? I mean if I have

File.root
File_1.root
File_2.root
File_3.root
File_4.root

etc.

is there a way to get how many files there are?

[dastudillo]

How do I list files in a directory?

Please read tips for efficient and successful posting and posting code ROOT Version: Not Provided Platform: Not Provided Compiler: Not Provided I’ve written the following code, which is supposed to list all the files in a directory: const char* inDir = “/path/to/directory/I/want/to/list”; const char* ext = “.myextension”; char* dir = gSystem->ExpandPathName(inDir); void* dirp = gSystem->OpenDirectory(dir); const char* entry; const char* filename[100]; Int_t n = 0; TString str; while((e…

Just modify the example to select and count what you need.

[faca87]

Thank you @dastudillo dastudillo