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Omit the newline character in reading file with c++


Omit the newline character in reading file with c++

By : Jaro
Date : October 18 2020, 01:08 AM
around this issue I have this code: , Use the stream operator >> to read integers:
code :
std::ifstream path("test");
int number;
while(path >> number)
    std::cout << number << ", ";
std::cout << "END\n";
return 0;
if (line.size())
    cout << line[size()-1] << "\n";
#include <iostream>
#include <string>
#include <fstream>
#include <sstream>

int main()
{
    std::ifstream path("test");
    std::string line;
    while(getline(path, line))
    {
        std::stringstream ss(line);
        int number;
        while(ss >> number)
            std::cout << number << ", ";
        std::cout << "End of line\n";
    }
    std::cout << "\n";
    return 0;
}


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c trimming newline character when reading input from file

c trimming newline character when reading input from file


By : Sadan Sindhu
Date : March 29 2020, 07:55 AM
hop of those help? I see no real problems with your first option -- if you own buffer, you're allowed to modify it. Just a couple of minor issues:
Reading from a file in C# without the newline character

Reading from a file in C# without the newline character


By : nikki
Date : March 29 2020, 07:55 AM
it fixes the issue i want to read from a text file in C#. But I want all the lines in the file to be concatenated into one line.
code :
string.Join(" ", File.ReadAllLines("path"));
Detecting newline when reading text file one character at a time

Detecting newline when reading text file one character at a time


By : Ashwini Angadi
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Target file: , try this instead
code :
if (sC.Equals('\n'))
if (sC.Equals('\n')) {
   reader.Read()
   Console.WriteLine("+1");
}
How to omit adding '\n' (newline char) to a char array reading from file

How to omit adding '\n' (newline char) to a char array reading from file


By : alex
Date : March 29 2020, 07:55 AM
Hope this helps I don't know how your file was structured. But here is a code that make adding chars to a char[] from a .txt file more easier:
code :
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;


public class TxtToChar {

    /**
     * @param args
     */
    public static void main(String[] args) {
        String string = "";
        char[] c;
        try {
            Scanner scanner = new Scanner(new File("test.txt"));
            while (scanner.hasNext()){
                string += scanner.useDelimiter("\n").nextLine();

            }
             c = string.toCharArray();
             for(int i =0;i<c.length;i++){
                             if(c[i] !=' '){
                               System.out.println(c[i]);
                             }
             }
        }catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }


    }

}
getline while reading a file vs reading whole file and then splitting based on newline character

getline while reading a file vs reading whole file and then splitting based on newline character


By : John lee
Date : March 29 2020, 07:55 AM
With these it helps getline will call read() as a system call somewhere deep in the gutst of the C library. Exactly how many times it is called, and how it is called depends on the C library design. But most likely there is no distinct difference in reading a line at a time vs. the whole file, becuse the OS at the bottom layer will read (at least) one disk-block at a time, and most likely at least a "page" (4KB), if not more.
Further, unles you do nearly nothing with your string after you have read it (e.g you are writing something like "grep", so mostly just reading the to find a string), it is unlikely that the overhead of reading a line at a time is a large part of the time you spend.
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