Files - CS

File

Computer programs store data that will be required again in a file.
Every file is identified by its filename.
Text files contain a sequence of characters.
Text files can include an end of line character that enables the file to be read from and written to as lines of characters.

OPENFILE <file identifier> FOR <file mode>
READFILE <file identifier>, <variable>
WRITEFILE <file identifier>, <variable>
EOF(<file identifier>)
CLOSEFILE <file identifier>

DECLARE textLn : STRING
DECLARE myFile : STRING
myFile ← "myText.txt"
OPENFILE myFile FOR WRITE
REPEAT
      OUTPUT "Please enter a line of text"
      INPUT textLn
      IF textLn <> "" THEN
            WRITEFILE myFile , textLn
      ELSE
            CLOSEFILE myFile
      ENDIF
UNTIL textLn = ""
OUTPUT "The file contains these lines of text:"
OPENFILE myFile FOR READ
REPEAT
      READFILE myFile, textLn
      OUTPUT textLn
UNTIL EOF(myFile)
CLOSEFILE myFile

Which one is wrong for file operation?

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