you open up an I/O stream with dir : IO.popen « File Directory « Ruby

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Ruby » File Directory » IO.popen   you open up an I/O stream with dir # read the lines one by one, as with other forms of I/O streams, and close the stream ls = IO.popen("dir", "r") while line = ls.gets   puts line end ls.close   Related examples in the same category 1.  open a program with a read/write I/O stream and handle data in both directions 2.  Open a file and write string into it 3.  IO.popen("-")

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