46 Topics
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Hi there, ok, im fairly new to c++ and have been trying to figure this out for ages: I have a text file i want to read in that contains lines and lines of lat long points; N50 42.22 W002 55.33 N50 42.22 W002 55.33 N50 42.22 W002 55.33 i … |
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Hi there, im new to the site and am hoping someone out there can help me with my question, im pretty newbie in the world of c++ and programming in general. Im making a program with a menu, you can choose between entering a number yourself to be tested as … |
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Hello all, I have a text file called: concentrations.dat The file contains a lot of different data. Here's the data that I'm interested in: # ET: list of elements <ET> 'Cu' 'C' 'Sr' 'He' 'Mg' 'O' 'Cr' What I want to do is read the elements into a vector called … |
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Hello all, I am having an issue with ifstream. Short explanation: 1. I ask the user for the filename and read it via cin 2. I store the input in a c++ string 3. I use the input as the filename Here's where it fails: When a user enters something … |
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Hi, I'm a newbie to C++ so please be patient. I have to create program that outputs a simple moire pattern or a graph of y-values from a .csv file depending on which one is called. The code below is what I have before main and is where I am … |
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I'm having problems with the code below, it compiles but no matter what I do it doesn't open the .csv file that I want it to. The file name is passed into this funtion then it must read the values in and then print them out, simple, yet I cant … |
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Hi All, I'm a relative newbie having trouble completing a program that is required to read the text character by character from a .txt file and to then encode certain characters to something thing else. It is then supposed to be output to a separate .txt What seems to happen … |
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Hello. I have some problems. 1.With for cycle. This is my code: [CODE]#include <iostream> #include <fstream> int main () { int i; int i2; char sentence [200]; char repeat; ofstream file ("file.txt", ios::app); for (i=0; i<1;) { cout << "Enter sentence (max. 200 symbols)\n"; cin >> sentence; if (!file) { … |
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why doesn't this work? [CODE]int main() { fstream file; char output[100], pasword[100]; int a; const string x("Yes"); const string y("No"); string z; char b; cout << "\nEnter correct password to continue: \n" << endl; cin.getline(output, 15); if(output == "file.txt") { cout << "Change password? Type Yes or No. \n" << … |
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I've searched the C++ forums and cannot find anything that relates to my question. I am writing a program (for class) that opens a txt file and reads doubles from the file, then computes the standard deviation of the numbers in the file. In order to do this, I am … |
I just started working on a small tool to search for (heavy) text files using Visual C++ with MFC. Because there are a lot of readings, I'm wondering if ifstream of the standard library is better than CFile of MFC? I don't need portability (the program is for Windows Environment), … |
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I'm trying to open a file (ifstream object), read from the file, then pass the ifstream object to a function where it will continue reading from the file. Along the way, I want to store the path of the file, and would like to know if there is a way … |
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Hi guys, I'm trying to make a function that allows the user to enter in a file name and access that file; if the file name is wrong or the file is not there, I want to allow the user to enter in another file name. For some reason the … |
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So far, I have only read about using void functions to take on ifstreams as a parameter. Yet I want to be able to make a single function that takes a file of numbers as a parameter, and do some calculation to each number. I can do this with a … |
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I'm getting conversion errors 2446 and 2040 on the red line. Can anyone help me figure out what i've done. I'm new to C++ but I'm expereinced in C# so I do have some foundation. Any help is greatly appreciated! [CODE] string GetString(ifstream & fn, string & s, int length) … |
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