C++ :: Input From A File In CodeBlocks

Oct 23, 2014

I'm using Codeblocks 13.12 in Windows. I want to compile and run c++ files with the console inputs are automatically extracted from a file. More importantly, I do not want to change the code to read files. I just have written codes to read them from the console. Any change in settings?

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C/C++ :: How To Use TBB With Codeblocks

Sep 28, 2014

I am trying to use Intel's Threading building blocks with Code::Blocks (On windows 7) I am really struggling with getting this to actually compile. It just throws various errors depending on what I try.

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C++ :: Installing SDL Extensions To CodeBlocks

Aug 30, 2013

how to use SDL just today, installed the standard SDL library on the compiler. But when i got to the point where I needed to install the SDL image extension library I thought I had everything correct but when I tried running a program using it I got errors. The non-extension SDL apps work just fine but when I try using SDL_image functions in my code I get problems, although when I begin typing the function the name shows up and i do not get issues with the .h, I feel its a link issue because I get errors such as:

ld.exe||cannot find -lSDL_image|
ld.exe||cannot find -lSDL_image|
||=== Build finished: 2 errors, 0 warnings (0 minutes, 0 seconds) ===|

I'm confident I have my /includes installed correctly. Also I was unable to find the 1.2 version for the Img extension so i reluctantly went ahead with 2.0 if that is perhaps causing issues.

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C/C++ :: Snakes And Ladders Codeblocks Error

May 5, 2014

My error on code blocks is fatal error no such file found in iostream, I don't understand this error!!

#include <iostream>
#include <cstdlib>
#include <string>
#include <ctime>
#include <fstream>
#include <vector>
#include <sstream>
#include <iterator>
int Random(int random) {
return (rand() % random) + 1;

[Code] .....

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C++ :: Running Certain Code In Codeblocks Sets Off AVG?

Jul 3, 2012

I've recently started to learn C++ and I'm using codeblocks as my IDE, but I keep getting problems with AVG free edition picking up random pieces of code as Trojans ?! I've put an example of some code that sets it off below, and the error message I get. Is there anyway I can set AVG not to trigger with any codeblocks coding I've done? I guess I could tell AVG not to trigger for that folder, if that's even possible?

Code:

#include <iostream>
using namespace std;
class MyClass{
public:
void coolSaying(){
cout << "BUST A MOVE!!" << endl;

[Code] ....

Error I get:

File name: h:DesktopC++ projectsclasses and objects 1 inDebugclasses and projects 1.exe
Threat name: Trojan horse Agent3.BMSZ
Detected on open.

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C++ :: Codeblocks Not Finding Libs - Permission Denied

Oct 18, 2013

I upgraded to code::blocks and now I have the errors while trying to install sfml and sdl (to use in a dual project): Codeblocks libs:Permission Denied

Codeblocks libs is a custom folder I created and copied libs from the lib folders to because I got the same errors in the actual folders and thought it might be because of their location. What should I do?

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C/C++ :: CodeBlocks Random Math Quiz Generator

Nov 26, 2014

The user will be allowed to pick:

-the number of problems they want to do
-the type of problem (addition, subtraction, multiplication, division)
-the range of numbers for the problems (like 0 to 9, -100 to 100, etc.) [random numbers in the range]

Your program will then display the given number of problems and get the answer from the user. It will tell the user it they are correct or not. If they are incorrect, it will print the correct answer.

After the given number of problems are displayed, the program will give the user the final number correct and percentage correct. The user will be asked if they want to go again. If so, you will reprompt the user for all the information and run again.

I came up with code thinking I was going in the right direction but it doesn't work correctly at all. We have to use functions. My main issue is how do i call variables from another function so all of the functions work together. I repeat I don't understand parameters and calling functions. here's the code:

#include <iostream>
#include <cstdlib>
#include <iomanip>
using namespace std;
int get_user_range(int &x, int &y);
int get_random_number ();

[Code]......

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C++ :: Multiple Of CSV File Used As Input / Extracting Data To A Output File - Getline Function

Jun 4, 2013

I have written a C++ program I have multiple of CSV file used as input, which I open one at a time and close it after extracting data to a output file which is the only file.

I run getline(inFile,line);
outFile << line << endl;

I run this code, and only part of it is goes to the output file I got, also have spacing randomly to specific file and inconsistent

But when I slower the code, like system("Pause") in the loop, I can get extract what I want perfectly....

Is my program running to fast, why getline would be skipping part of what things I want?

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C :: Program To Calculate Students Grades From Input File And Write To Output File

Aug 29, 2014

One of my class assignments is to create a program that receive a .txt file containing a students name and their grades as follows:

John K. 99, 87, 57, 89, 90, 95
Amanda B. Jones 100, 88, 76, 99, 86, 92
etc..

The number of students is unknown until run time. You have to take those grades and average them weighing the first (4) at 10% a piece and the last (2) at 30% each.

Then return an output file with the students name and their letter grade A,B,C,D,F based on their computed score. In addition, on screen it needs to display the average scores for each Q1, Q2, etc. as well as the minimum and maximum for each test on the screen. I am having a hard time in assigning the scores to a variable so that they can then be computed as an average and then used to determine a letter grade. I have begun to write the code and am a bit stuck..here's what I have so far:

Code:

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

[Code]....

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C :: Computing Grades From Input File And Writing To Output File

Aug 31, 2014

One of my class assignments is to create a program that receive a .txt file containing a students name and their grades as follows: John K. 99, 87, 57, 89, 90, 95 Amanda B. Jones 100, 88, 76, 99, 86, 92 etc.. The number of students is unknown until run time. You have to take those grades and average them weighing the first (4) at 10% a piece and the next (2) at 15% each and the final at 30%. Then return an output file with the students name and their letter grade A,B,C,D,F based on their computed score. In addition, on screen it needs to display the average scores for each Q1, Q2, etc. as well as the minimum and maximum for each test on the screen. I am having a hard time in assigning the scores to a variable so that they can then be computed as an average and then used to determine a letter grade. I have begun to write the code and am a bit stuck..here's what I have so far:

Code:
//
// main.c
// Final Exam
//

[Code].....

The problem I'm having now is how to go about passing the grades to the function computeGrade and then compute the average and return that to the function.

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C++ :: Decompress Input File And Write Results Into Output File?

Jul 8, 2013

how do i decompress an input file and write the results into an output file?

also my do while loop is supposed to keep going unless the user selects the option to exit the program, instead it exits after finishing ay of the options.

here's my code so far...

#include <iostream>
#include <iomanip>
#include <fstream>

[Code]....

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C :: Naming Output File Based On Input File Name

Sep 7, 2013

I have a program where I will read in a certain .txt file, such as "financial_data.txt" and I will be doing some sorting with this data.

I want my program to write out the sorted data to an output file and I want the name of the output file to be based off of the input name. For example, since my input file is "financial_data.txt", I want the output file name to be "financial_data_out.txt".

I am having a hard time finding examples online and in my reference manuals...

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C++ :: Remove Comments From Input File And Then Put It Into Output File

Mar 11, 2013

I have written this code to remove the comments from an input file and then put it into an output file. The program compiles and runs but it removes the whole line of code when it encounters a /* */ type comment. I believe the problem is in the while loop but I just don't know where.

#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main(void) {
string infile, outfile;
ifstream source;
ofstream target;

[Code]...

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C++ :: Read Input File (XML) And Generate Output File

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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C++ :: Read Input File (XML) And Generate Output File

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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C :: File Operations - Fwrite Padding Extra Data In File Compare To Data Provided As Input

Oct 28, 2014

I am trying to write my files to another subfolder . Below is my program.

Code:
cat th6.c
#include <pthread.h>
#include <stdio.h>
#include <string.h>

#define SIZE 8
#define NUMELM 8

[Code] ....

I observe my filename along with directory as text in the new file created in sublfolder. This is output.

[cporgs/apue/threads]: mkdir first
[cporgs/apue/threads]: ./a.out test.txt first
test.txt -- first/test.txt
dfdfdfdfdfdfdf-14
dfdfdfdfdfdfdf-14
in thread test.txt first
[cporgs/apue/threads]: cat first/test.txt
dfdfdfdfdfdfdffirst/test.txt
[cporgs/apue/threads]: cat test.txt
dfdfdfdfdfdfdf

I could not able to get from where this filename and folder is getting added.

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C++ :: File Writing - Input Your Login Info And Program Writes That Info To A Text File

Jan 30, 2013

I'm trying to make a program that you input your login info and it writes that info to a text file. Then, later on once I get my problem fixed, the program will read the info to the user. my code is as follows(the input part is a bit lengthy):

// Password Log
#include <iostream.h>
#include <fstream.h>
#include <string>
#include <time.h>
using namespace std;
ofstream login;

[Code] ....

What my problem is when I choose "Input new login info" it automatically inputs I have no clue, and calls next program.

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C :: Binary File Write By User Input Then Printing Binary File Data Out

Dec 6, 2013

Following is the program I wrote it basically takes 9 inputs and then save them into binary file. then print out the data stored in binary data and find inverse of it then print the inverse out. but its stuck in a loop somewhere.

Code:
#include <stdio.h>
int main() {
int a[3][3],i,j;
float determinant=0;
int x;
FILE *fp = fopen ("file.bin", "wb");

[Code] .....

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C++ :: How To Do 6 Input File

Dec 5, 2013

How can I put 6 input file into my program.How can I use while to let the 6input file to open automatic?

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C++ :: Get Input From TXT File?

Mar 26, 2013

So me and my groupmates suddenly have some clutchwork at hand. I was assigned of making an import function that reads through a textfile that looks like this, and store it to a 2D array. Like this [URL]

The columns are Tab-separated however the difference from that image to mine is that i receive a 3x3 matrix with a blank space substituing one of the numbers and i was wondering how could i detect that blank space

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C :: User Input To File

Mar 18, 2013

I'm creating a program that should create a structure of a list of people entered by the user; the only problem I'm having is with the %c. When I have it, the loop only occurs once; if I put a %s, the loop occurs up to 25 times, but it doesn't write to the text file. Here is the code:

Code:
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
[code]....

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C :: File Input Into Array

Oct 26, 2013

I am reading in a file where each line contains two octal numbers separated by a comma (and perhaps a whitespace). I would like to read these lines into a two dimensional array. So for example

E19, 2A4
9423, F15

would be Code: {{E19, 2A4},{9423, F15}}

Is there a way to check how many lines are in the file so I could initialize my array to the proper length? How would I obtain an octal number with more than one character? So get would grab a single character, but how would I grab however many characters prior to the comma as a single value?

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C++ :: Getting Input From Txt File With Tabs In It

Mar 13, 2013

Currently I'm trying to write a program that searches a file named "Babynameranking.txt" for a persons name, sex, and ranking. I'm currently having trouble with just being able to search the first line of the text file, which is somewhat of a precursor to being able to finish the program. My current code is:

#include <iostream>
#include <fstream>
#include <string>

[Code]....

Anyways when I run the program I wind up getting an output of

-858993460 -858993460
Done

I'm thinking that because the text file is formatted like this(just an example):

1 Jacob32509 Emily 25048
2 Michael29666 Madison 22149

(the spaces between everything are actually tabbed over)

that it's the large amount of whitespace messing it up.

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C++ :: Input From Txt File Size?

Sep 7, 2014

I finally accomplished what I'd asked for earlier.

I'm able to input data from txt file to c++ array.

the Text file contains around 60,000 lines "numbers" to be loaded into a c++ array to calculate some stuff.

I'm able to load 60,000 lines "txt file size 1.1MB" no problem, but sometimes when I try to load more lines "from a file around 1.4MB", the process terminates and gives me an error message "n.exe has stopped working, Windows is checking a solution to this problem" and Code::Block shows error "Process terminated with status -1073741819 "

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C++ :: Reading Input File Into Value

Feb 16, 2014

I am trying to read from my input file Transactions.data which is set up as follows

V 250190
A 250190 2008 4 8788.00 0.00 000
and so on and so forth.

I am trying to read my V then go to switch (decision) to choose my case and preform further functions. My problem is that i cannot get past the first line so if it was

V 213400
V 123456

My code is supposed to check that the ID (213400) is valid then go on to the next line but it wont do that and prints out the first ID 6 times. My code is as follows:

char descision;
ifstream input;
input.open("Transaction.data");
if (input.fail()) {cout << "File could not be opened." << endl;}
input >> decision;

[Code] ....

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C++ :: How To Change Input File Name

Mar 23, 2013

For particular assignment, I am asked to evaluate data from an inputfile, let it be named "infile.dat". Next, it is required to output to this same file, but with the name of this file altered to reflect the changes of data. For example, if I want to change the original file name to "changed_infile.dat.altered" by adding the "changed_" prefix and ".altered" suffix, how could this be done?

From my understanding, there are no functions in <fstream> that could change the file name. However, there is a rename function in <stdio>, but it's not exactly what I am looking for because I want to append a prefix and suffix to this existing inputfile name. Although I could apply a brute force method by simply doing rename("infile.dat", "changed_infile.dat.altered"), I want to have my program to work with various input files of different names.

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