Is there a better way than simply trying to open the file? int exists(const char *fname) { FILE *file; if ((file = fopen(fname, “r”))) { fclose(file); return 1; } return 0; } 8 s 8 Look up the access() function, found in unistd.h. You can replace your function with if( access( fname, F_OK ) == … Read more
How can I quickly create a large file on a Linux (Red Hat Linux) system? dd will do the job, but reading from /dev/zero and writing to the drive can take a long time when you need a file several hundreds of GBs in size for testing… If you need to do that repeatedly, the … Read more
Does it matter how many files I keep in a single directory? If so, how many files in a directory is too many, and what are the impacts of having too many files? (This is on a Linux server.) Background: I have a photo album website, and every image uploaded is renamed to an 8-hex-digit … Read more
I’ve noticed with docker that I need to understand what’s happening inside a container or what files exist in there. One example is downloading images from the docker index – you don’t have a clue what the image contains so it’s impossible to start the application. What would be ideal is to be able to … Read more
This is what I have: glob(os.path.join(‘src’,’*.c’)) but I want to search the subfolders of src. Something like this would work: glob(os.path.join(‘src’,’*.c’)) glob(os.path.join(‘src’,’*’,’*.c’)) glob(os.path.join(‘src’,’*’,’*’,’*.c’)) glob(os.path.join(‘src’,’*’,’*’,’*’,’*.c’)) But this is obviously limited and clunky. 28 s 28 pathlib.Path.rglob Use pathlib.Path.rglob from the the pathlib module, which was introduced in Python 3.5. from pathlib import Path for path in … Read more
How do I copy a file in Python? 2 21
