ReadString

string ReadString(string filename)

Return Value

Returns string containing text data.

Parameters

filename –the name of the file to read from.

Remarks

Reads single line from the ASCII file. The function will open file if it is closed. The file pointer will be moved to the next line. If the function fails the return value is empty string.

Package

Plug in module: nd_fileplg.npl

Example

The following example demonstrates the use of ReadString.

     # Example for ReadString

  WriteString("C:\txt.txt","string 1")

  WriteString("C:\txt.txt","string 2")

  WriteString("C:\txt.txt","string 3")

  WriteString("C:\txt.txt","string 4")

  WriteString("C:\txt.txt","string 5")

  CloseFile("C:\txt.txt")

  #read test

  while !EOF("C:\txt.txt")

    Println("String is:", ReadString("C:\txt.txt"))

  endwhile

  CloseFile("C:\txt.txt")

  #remove file

  RemoveFile("C:\txt.txt")

Output of the example script:

String is:  string 1

String is: string 2

String is: string 3

String is: string 4

String is: string 5