File.ReadLn

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Syntax

function File.ReadLn(F: pointer): string

 

Alternative Names

ibec_fs_ReadLn

 

Description

Reads a line of text from the given file-stream, if available, and returns it. A piece of text is considered a line, if it ends with control characters #10, #13 or #13#10. The routine can read unicode text, see File.Open.

 

See also

File.Open
File.Close
File.EOF

 

Example

execute udsblock returns (valueout varchar(1024))

as

begin

  /* open text file with UTF8 encoding preamble */ 

  fs = File.Open('c:\data\utf8text.txt', __fmOpenReadWrite + __fmShareDenyWrite);

  try

    /* read all available lines */

    while not File.EOF(fs)

    do begin

     valueout = File.ReadLn(fs);

         suspend; 

       end

  finally

    File.Close(fs);

  end

end