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Read From Spreadsheet File VI will require you to load the entire text file into memory, and if your text file is really that small, it won't matter, and that's the best way to go. If your text file is large, you may want to consider an alternative. However, you will need to better explain what you're trying to do. What do you mean you "want to read only a certain number from the text file". What number? How do you specify this number? Is it relative to something?