Compile Extension

[litdev]

You can test the extension dll for linereader I already sent you in standard Small Basic.

Look at the C# extension code:

Code:

        public static Primitive ReadLines(Primitive filePath, Primitive startLine, Primitive endLine)
        {
            if (!System.IO.File.Exists(filePath))
            {
                throw new FileNotFoundException("File not found", filePath);
            }

            if (startLine < 1 || endLine < 1 || endLine < startLine)
            {
                throw new ArgumentException("Invalid line numbers");
            }

            using (StreamReader reader = new StreamReader(filePath))
            {
                string line;
                string result = "";
                int currentLine = 0;

                while ((line = reader.ReadLine()) != null && currentLine < endLine)
                {
                    currentLine++;
                    if (currentLine >= startLine)
                    {
                        result += line + Environment.NewLine;
                    }
                }

                return result;
            }
        }
    }

When you test it in SB you will find that it does exactly the same as the text2 code below, which concatenates the lines to a single string with newline character.

Code:

xmlFile = "C:\Program Files (x86)\Microsoft\Small Basic\SmallBasicLibrary.xml"
text1 = ZSLineReader.ReadLines(xmlFile,3,5)
TextWindow.WriteLine(text1)

TextWindow.WriteLine("================================================")

text2 = ""
For i = 3 To 5
  text2 = Text2 + File.ReadLine(xmlFile,i)+Text.GetCharacter(10)
EndFor
TextWindow.WriteLine(text2)