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Eof - returns true if a file opened with reset is at the end system unit

function Eof ( var FileHandle : TextFile ) ; Description The Eof function returns true if the file given by FileHandle is at the end. The file must have been assigned, and opened with Reset. Notes Warning after reading the last line of a file, Eof will be true, even though data has been read successfully. So use Eof before reading, to see if reading is required. Related commands BlockRead Reads a block of data records from an untyped binary file Eoln Returns true if the current text file is pointing at a line end Read Read data from a binary or text file ReadLn Read a complete line of data from a text file SeekEof Skip to the end of the current line or file SeekEoln Skip to the end of the current line or file Example code : Reading to the end of a text file var myFile : TextFile; text : string; begin // Try to open the Test.txt file for writing to AssignFile(myFile, 'Test.txt'); ReWrite(myFile); // Write a couple of well known words to this file WriteLn(myFile, 'Hello'); WriteLn(myFile, 'World'); // Close the file CloseFile(myFile); // Reopen the file in read only mode Reset(myFile); // Display the file contents while not Eof(myFile) do begin ReadLn(myFile, text); ShowMessage(text); end; // Close the file for the last time CloseFile(myFile); end; Show full unit code Hello World