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ISERIAL READER TEXT FILES SERIES
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Reading five characters from a file using the ReadBlock() method of TextReader. Using (TextReader textReader = File.OpenText(file))Ĭonsole.WriteLine(textReader.ReadLine()) Ĭonsole.WriteLine("File does not exist!") String file = opening the text file and reading a line Reading a line of a file using the ReadLine() method of TextReader. We can pass a text file name in a TextReader constructor to create an object. Following are the different examples of TextReader in C#. It is used to read all characters from the current position to the end of the text reader and it returns them as one string. It is used to read a line of characters from the text reader and it also returns the data as a string. It is used to read the next character from the text reader and it also advances the character position by one character. It is used to read the next character without changing the state of the reader and it returns the next available character without actually reading it from the reader. It is used to release all the resources used by an object of TextReader. It is used to close the TextReader and to release any system resources associated with it. Please find some important methods of TextReader in the following table: Method
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The advantage of working with ‘using’ block is that it releases the memory acquired by the object specified inside it after the work of the object is completed and the object is no longer required. Using(TextReader text_reader = File.OpenText(file_path)) We can also create TextReader with the help of ‘using’ block as shown below: Then, with the help of the text_reader, we can use the methods of TextReader class in order to read content from the file. The above statement will open a file at the location specified by ‘file_path’. TextReader text_reader = File.OpenText(file_path) Syntax of creating TextReader is as follows:
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