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Chapter 18: Files – Storing Information For Later.                              Page 269


            Read() Function and Write Statement:


                   In the first three programs of this chapter we have discussed the readline()
                   function and writeline statement. There are two other statements that will
                   read and write a file. They are the read() function and write statement.




                              read
                              read()
                              read(filenumber)


                              Read the next word or number (token) from a file. Tokens are
                              delimited by spaces, tab characters, or end of lines. Multiple
                              delimiters between tokens will be treated as one.


                              If filenumber is not specified then file number zero (0) will be
                              used.




                              write expression
                              write (expression)
                              write filenumber,expression
                              write (filenumber,expression)


                              Write the string expression to a file file. Do not add an end of line
                              or a delimiter.

                              If filenumber is not specified then file number zero (0) will be
                              used.















                                                           © 2019 James M. Reneau (CC BY-NC-SA 3.0 US)
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