48 lines
868 B
ObjectPascal
48 lines
868 B
ObjectPascal
program text_file;
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{$mode objfpc}{$H+}
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uses sysutils;
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var
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txtF: TextFile;
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s: String;
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procedure ReadTenLines;
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const lineNo: integer = 0;
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var linesRead: integer = 0;
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begin
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while not EOF(txtF) and (linesRead < 10) do
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begin
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ReadLn(txtF, s); // Read the current line in the file, and store in s
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Inc(linesRead); // linesRead += 1
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Inc(lineNo);
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s := Format('Line %d: %s', [lineNo, s]);
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WriteLn(s);
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end;
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end;
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begin
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AssignFile(txtF, 'text_file.lpr'); // Open pointer to the file
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Reset(txtF); // Open existing file
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WriteLn('Lines from text_file.lpr will be displayed 10 at a time');
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WriteLn;
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// Read and display the file
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try
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while not EOF(txtF) do
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begin
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ReadTenLines;
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WriteLn;
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WriteLn('Press [Enter] to continue');
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ReadLn;
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end;
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finally
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CloseFile(txtF);
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end;
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Write('End of file reached. Press [Enter] to finish');
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ReadLn;
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end.
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