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 java.io.FileWriter;
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 java.io.FileInputStream;
2. public class DataStreamExample {
3. public static void main(String args[]){
4. try{
5. FileInputStream fin=new FileInputStream(“D:\\testout.txt”);
6. int i=fin.read();
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);