Computer scienceProgramming languagesGolangWorking with dataWorking with files

Writing data to files

Appending data to a file

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Which of the following functions should you use to append data to an existing file test_file.txt?

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os.Open("test_file.txt", os.O_APPEND|os.O_WRONLY, 0644)

os.Create("test_file.txt")

os.OpenFile("test_file.txt", os.O_APPEND|os.O_WRONLY, 0644)

os.OpenFile("test_file.txt", os.O_WRONLY, 0644)

os.Open("test_file.txt")

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