Friday, March 15, 2013

How To Read A Specific Line From A File Into C++ - C And C++ ...


Example
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    3 Replies - 50 Views - Last Post: Yesterday, 08:04 AM Rate Topic: -----

    #1 kdaddy ?Icon User is offline

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    Posted Yesterday, 07:37 AM

    HI,
    I'm in intro C++ and I'm asked to write a program that prompts the user for the name of the file and displays a report.
    The file is a gradebook with names of student and grades.
    I'm asked to pulled the highest name, lowest name, and their corresponding grades and display them.
    I have spent hours with my textbook trying to figure this code out.
    This is my code so far:
    BTW this is not a copy/paste but rewritten.
    
#include <iostream> #include <string> #include <fstream>  using namespace std;  int main() {  string student, fileName;  cout<< "Enter the fileName: "; cin >> fileName;  ifstream inFile (fileName.c_str());  cout << "Reading data from file: \n"; while (inFile >> student){ cout << student << endl; }  return 0; }

    This post has been edited by jimblumberg: Yesterday, 07:45 AM
    Reason for edit:: Added missing code tags. Please learn to use them properly.


    Is This A Good Question/Topic? 0

    Replies To: How to read a specific line from a file into C++

    #2 jimblumberg ?Icon User is offline

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    Re: How to read a specific line from a file into C++

    Posted Yesterday, 07:49 AM

    Do you have a question or problem with this code?

    You may want to study the following tutorial: File IO.

    Jim


    #3 CTphpnwb ?Icon User is offline

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    Re: How to read a specific line from a file into C++

    Posted Yesterday, 07:58 AM

    And read up on functions. At a minimum you should have one for reading the file and one for finding/outputting the data you need.


    #4 JackOfAllTrades ?Icon User is offline

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    Re: How to read a specific line from a file into C++

    Posted Yesterday, 08:04 AM

    And what's the format of the file you're reading?


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    Source: http://www.dreamincode.net/forums/topic/315284-how-to-read-a-specific-line-from-a-file-into-c/

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