C++ :: Read File With Comma And Bar Separators Output In Console
Jan 13, 2013
I have a file named "A6.txt" inside it has this code:
April Joe, 1, SUPER DUPER ULTRA SECRET, 02031982|
Matthews Jocob, 2, TOP SECRET, 11031992|
Garfield Kitty, 3, SECRET, 04041942|
Lake Bill, 4, MEH, 12031968|
Jones Betty, 5, WATCHLIST, 06031974|
Goodman Betty, 6, BANE OF SOCIETY, 05021952|
Very Simple, all it has is "Name, ID, Access, Date of Birth" (DOB needs to be formatted like 00/00/0000 if possible)
Output should Look like :
Client #1:
Name: April Joe
Access: SUPER DUPER ULTRA SECRET
DoB: 02/03/1982
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Oct 16, 2012
I have been trying to read a comma separated .txt file into an array and print it to console in C++. The txt file consists of two columns of double type data. For some reason the program runs, but gives blank output in the console. I want to know if I am doing something wrong. So far this is what I have:
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main() {
int i=0;
double x[10];
double y[10];
string line;
[Code] .....
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Aug 12, 2012
I'm trying to get my program to read a series of comma delimited values from a file into a vector. However, I am unsure how to actually go about doing this. I've posted my best guess below but it's really just a stab in the dark and I always receive a compiler error.
Code:
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
using namespace std;
vector <string> v_input;
int main() {
ofstream fout ("Insert File Path Here.txt");
fout << "4, 8, 15, 16, 23, 42";
[Code] ....
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Apr 4, 2013
I have 18,000 lines of code that i would like to upgrade to include a log file. I want to replace the cout with a stream or something similar so that i can easily output to the console and to a log file at the same time with minimal change to 18,000 lines of code. I'm nearly there.
I used this post heavily as a reference; [URL] .... however it is highly incomplete and this is above my knowledge so I'm struggling somewhat.
I was able to get the bulk of it working with some guess work and modification to the code from that link.
For some reason i had to comment out "mstream(void);" and "~mstream(void);"
Also how to get :
mstream& operator<< (ostream& (*pfun)(ostream&)) {
pfun(coss);
pfun(cout);
return *this;
}
to work for endl as per the previous link. Not sure if i'm even putting it in the right place. Otherwise the code works fine for streaming to both locations and such. See the code below;
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
class mstream {
[Code] ....
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Aug 8, 2014
I am currently doing a complex number calculator ,and i wish to output my data to a txt.file . i tried fstream and it doesnt work. However the txt.file was created but no text was output.
Below is the program:
#include<iomanip>
#include<cmath>
#include<iostream>
#include<fstream>
using namespace std;
#define PI 3.14159265358979323
double z,x;
[Code]..
When impedance A & B are in series,the effective Impedance is " <<setprecision(4)<< z << " + j" <<setprecision(3)<< x<<endl;
else
cout << "
When impedance A & B are in series,the effective Impedance is " <<setprecision(4)<<z << " - j" <<setprecision(3)<< x*(-1)<<endl;
}
void Complex::showdiv(double &z,double &x) {
if ( x>= 0 )
cout << "
When impedance A & B are in parallel,the effective Impedance is " <<setprecision(4)<< z << " + j" <<setprecision(3)<< x <<endl;
else
cout << "
When impedance A & B are in parallel,the effective Impedance is " <<setprecision(4)<<z << " - j" <<setprecision(3)<< x*(-1) <<endl;
}
class Polar:public Complex //inheritant from class Complex
{
protected:
double r,d,r2,d2;
public:
void PolarValue();
void ShowPolar();
[Code]...
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Mar 21, 2013
Write a program that reads from total.dat file and displays its contents to the console. The program should allow the user to add new entries to the file.
So far this is what I've got and I'm not sure if I even started right.
#include <iostream>
#include <fstream>
using namespace std;
int main () {
ifstream dataIn;
ofstream dataOut;
dataIn.open("total.dat");
cout << dataIn;
return 0;
}
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Oct 31, 2014
How do I output a Unicode number if I extract a character off a console or out of a file.
If I do the below, I use the Unicode number to show a character. The below shows me 25² .
char b = 'u00B2';
mystring = "25";
mystring.append(1,b);
How do you go back the other way? If I extract the 25 and the ² separately, how do I get the unicode number for ² ?
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Sep 28, 2014
I'm new to programming and i'm trying to do a certain task. I want to use a for loop to read certain data from a txt file and print them to a console. I'm trying to read student names and their grades.
Something like
3 // 3 represents the number of students.
George 97
Sarah 70
Maya 88
The data may vary but it's always in this format.
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Mar 25, 2013
I have code that reads an input file and generates an output file .For reading the input file we have a xml file.If there is an error while reading or writing the output file the an errored file is generated. But in the errrored file the fields are not coming as in accordance with the reader xml . They are coming randomly . In the module for reading and writing the errored file list is being used . What should be done to write in the errored file as the reader xml fields.
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Mar 25, 2013
I have code that reads an input file and generates an output file .For reading the input file we have a xml file.If there is an error while reading or writing the output file the an errored file is generated. But in the errrored file the fields are not coming as in accordance with the reader xml .they are coming randomly . In the module for reading and writing the errored file list is being used . What should be done to write in the errored file as the reader xml fields.
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Apr 7, 2014
I'm supposed to read a text file and display it in the output. I have it down except my formatting. I just cannot get it to just skip one line rather than multiple. I know why though because my char has a max of 11 and if I put a character lets say mango, it is going to fill in the rest with white spaces. It's supposed to display like this:
Mango
Strawberry
Grapes
But instead I get something like this
Mango
Melon
Grapes
I am using isspace but it's not working.
//source code
#include <iostream>
#include <iomanip>
#include <cstdlib>
#include <cmath>
#include <fstream>
using namespace std;
class CFile
[Code] ....
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Apr 20, 2014
I know this is how you read from a file. I also want to print my output to the same name of the file plus ".txt". So if my file is called "text" I want to print it to a file called "text.txt".
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
[Code]....
Would it be something like this? Is it better to use "a" or "w" in the fopen? I want to write to it several times.
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
[Code].....
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Feb 5, 2014
My professor wants me to write a program that will read from a dat file, and produce an output on the screen based on the file. I don't understand why I am getting this error. I suspect it has something to do with the number of characters I've told it to read.
#include<iostream>
#include<iomanip>
#include<fstream>
#include<assert.h>
#include<string>
using namespace std;
using namespace System;
struct TStudent {
string month[10];
[Code] .....
I noticed I had a 2 beside girl, after I removed it, it still didn't fix my problem.
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Apr 19, 2015
So far I have managed to sort songs by their string length in main. The void function is there because i learned how to create it, but it's not being used because I dont know how to use it.
Expanding on main, how would I go about selecting a random song from the array?
#include <fstream>
#include <iomanip>
#include <iostream>
#include <string>
using namespace std;
struct Song {
string song;
[code]....
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Sep 7, 2014
I'm trying to write something that when a user is at the command line, the user can type and it displays of list of commands the user can use to run the application.
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Nov 4, 2013
is there a way to change output of console without clearing the screen? so making some kind of animation?
e.g.
I have used
Code:
cout << "Hello";
is there any way I can erase last "lo" and replace it by "p" so I will have "Help" without clearing the screen ? just changing the output like some text file?
I tried using something like this
Code:
#include <iostream>
using namespace std;
int main() {
cout << "abcd";
long pos = cout.tellp();
cout.seekp(pos-2);
cout.write("ef", 2);
cout.flush();
cin.get();
return 0;
}
but it doesnt work, there is still a "abcd"...
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Feb 20, 2015
I have tried with some logic for removing comma operator in test.ini file but its not working how to remove comma and get output. For example:
Input
inside test.ini file the name is in format,
ajs,18.0,15.0
expected output
ajs 18.0 15.0
but I am getting,
ats,18.0,25.0 2686760 4200912
Code:
#include <stdio.h>
#include <stdlib.h>
int main()
{
FILE *fp;
char strConfName[25] ;
float a,b;
[Code] .....
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Mar 6, 2015
I am wrapping up a Linux/C programming assignment that requires several small programs for encrypting and decrypting text. There is a bash grading script which will be used to assess the performance of my programs. The script runs fine on my local machine and all of my tests pass, but when I run everything on my University's server via SSH, the script is not behaving the same. I am fairly certain the error exists somewhere in my C code, because no other students are having this issue. The 4 main programs consist of 2 daemons which wait for clients to connect via sockets, and the two clients. There is a daemon/client pair for handling encryption, and another for handling decryption.
And here is a screenshot of what happens with the same files on the remote server:As you can see, in the 4th and 5th tests (where the program's output should read), it's instead showing "ssIgnore this message". In later tests (not pictured) there is another message that reads "ddServer to client message". This text appears nowhere in my code or the grading script, so it must be server-side.
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Mar 4, 2014
Alright, so to better myself with network logic I've decided to make a small net game.
I need to input commands to the console as well as output status updates at the same time. I'd prefer to write a gui interface for that, but I'd rather work with WinAPI as little as possible (I mean, look at the way it's designed...).
I'd like to do this with standard operations, limiting dependencies is a must for me.
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Dec 9, 2014
I was wondering if it's possible to display output message without using console.write or any console function
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Oct 27, 2012
How we can write coloured text to a text file in c? Can I use cprintf funtion with any kind editing
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Feb 21, 2014
I have program that is supposed to read in a story from an input file and separate the words and output the lines on which the word occurs. It needs to read in another input file that has a list of words (1 per line) to ignore. i.e. skip them when running through the story. This is what I have so far, I've changed multiple things trying to get it running....
#include<iostream>
#include<fstream>
#include<map>
#include<set>
#include<vector>
#include<string>
#include"split.h"
[Code] .....
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Apr 7, 2013
I am trying to solve the following task:
-Write a recursive function that prints an integer with decimal separators. For example, 12345678 should be printed as 12,345,678.
The problem is that I don't know how to modify the integer in such way. I was thinking to convert it into a string, do an algorithm and then turn the string back to integer.
How to do such modification.
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Apr 18, 2013
I am attempting to read in a file that has 4128 sets of 21 numbers separated by commas and write it into an array. I now know that in order to use fseek, I have to make my array a character array, but I need my function to read in decimals (ex: 0.172635). I'm reading in
0.102598,0.000000,0.000000,0.000000,0.000000,0.307 793,0.000000,0.410391,0.102598,0.000000,0.102598,0 .102598,0.000000,0.000000,0.102598,0.102598,0.8207 83,0.000000,0.000000,0.000000,0.000000
and keep getting numbers like 48 49 50.
Code:
void CSread(char filename[100], char array[22], char array2[22], unsigned int arraysize)
{
char genename[32];
double temp = 0;
FILE *CSfile;
CSfile = fopen(filename, "r");
");
[code].....
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Nov 9, 2013
I tried to read in a file that contain studentId(8 integer long) and GPA in the same line separated by a comma, but I couldn't. Example:
145453565, 4.0
34344443, 3.9
23454345, 3.4
12345678, 3.4
void studentRecord::loading(string filename) {
ifstream infile;
int studentId;
double GPA;
[Code] ....
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Oct 11, 2013
What does the order of console output from your program tell you about when the static object is initialized?
#include <iostream>
using namespace std;
//class
class Firstclass {
private:
Firstclass(); //constructor
~Firstclass(); //destructor
[Code] ....
Doesn't it allocate the class static variable to the heap, thus executing its algorithm then destroying it when the program ends - or. What exactly does it tell me? When the static variable is initialized, it takes place first before any of my other functions?
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