Why is __dirname not defined in node REPL?

Question

From the node manual I see that I can get the directory of a file with __dirname, but from the REPL this seems to be undefined. Is this a misunderstanding on my

Answer 1

Though its not the solution to this problem I would like to add it as it may help others.

You should have two underscores before dirname, not one underscore (__dirname not _dirname).

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