How do I read a text file as specific data?

How do I read a text file as specific data?

There are three ways to read data from a text file.

  1. read() : Returns the read bytes in form of a string.
  2. readline() : Reads a line of the file and returns in form of a string.
  3. readlines() : Reads all the lines and return them as each line a string element in a list.

How do I read a specific line in a text file in C#?

How to Read a Specific Line from A Text File?

  1. ConsoleKeyInfo input;
  2. do.
  3. {
  4. if (File.Exists(“info.txt”) == true) ;
  5. else Console.WriteLine(“File not found! \ nPress any key to try again…”); Console.ReadKey(true);
  6. } while (File.Exists(“info.txt”) == false);
  7. StreamReader reader = new StreamReader(“info.txt”);
  8. do.

How do you extract a string from a text file in Python?

To read a text file in Python, you follow these steps:

  1. First, open a text file for reading by using the open() function.
  2. Second, read text from the text file using the file read() , readline() , or readlines() method of the file object.
  3. Third, close the file using the file close() method.

How do you split a text file in Python?

Use str. split() to split a text file into a list

  1. my_file = open(“sample.txt”, “r”)
  2. content = my_file. read()
  3. print(content)
  4. content_list = content. split(“,”)
  5. my_file.
  6. print(content_list)

How do you create a text file in Java?

Write to a Text File in Java

  1. import;
  2. public WriteFile( String file_path , boolean append_value ) {
  3. path = file_path;
  4. }
  5. FileWriter write = new FileWriter( path , append_to_file);
  6. PrintWriter print_line = new PrintWriter( write );
  7. print_line.
  8. print_line.printf( “%s” + “%n” , textLine);

How do I read a file from FileInputStream?

Java FileInputStream example 1: read single character

  1. import;
  2. public class DataStreamExample {
  3. public static void main(String args[]){
  4. try{
  5. FileInputStream fin=new FileInputStream(“D:\\testout.txt”);
  6. int;
  7. System.out.print((char)i);
  8. fin.close();

How do I use a stream reader?

StreamReader. ReadLine() method

  1. // Create a StreamReader from a FileStream.
  2. using (StreamReader reader = new StreamReader(new FileStream(fileName, FileMode.Open)))
  3. {
  4. string line;
  5. // Read line by line.
  6. while ((line = reader.ReadLine()) != null)
  7. {
  8. Console.WriteLine(line);