Reading to and writing from files

• How do you open files?

  OPENREAD
• what does the READLINE function do?

  used to return a line of text from the file
• what is used to determine that the end of a file has been reached?

  ENDOFFILE()
• What function do you use to open a fille and write, and create a new line of text?

  openWrite

  writeLine
• myFile = OPENREAD(”sample.txt”)

  x = myFile.READLINE()

  myFile.CLOSE()
• myFile = OPENREAD(“sample.txt”)

  WHILE NOT myFile.ENDOFWHILE()

  PRINT(myFile.READLINE())

  ENDWHILE

  myFile.CLOSE()
• myFile = OPENWRITE(“sample.txt”)

  myFile.WRITELINE(“hello world“)

  myFile.CLOSE()