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I need a CSV reader that will output a NxN (weighted) adjacency matrix (N is not known from the beginning). Of course I can use strtok() and friends to parse this, but if something is already available and complete enough, I would appreciate any pointers.
maybe you could use this as base if you don’t find anything better, it should be fairly simple to modify to handle NxN. It works by reading the whole file into a buffer, then sets pointers into the buffer by finding the delimiters and settings those to \0.