Categories
Writers Solution

Associate stream objects with external file names

Write a program to copy an existing text file from your hard disk to another file that you will call:  Your Last Name.txt, e.g. if your last name was Smith, the output file name would be  Smith.txt.  You can create a text file and add two or three lines of text to it.  You may use the attached program as your program or write your own.  Please note the inclusion of <fstream> at the top of the program.  Also pay attention to the open and close statements in the program.

// File: CopyFile.cpp// Copies file InData.txt to file OutData.txt

#include <cstdlib>     // for the definition of EXIT_FAILURE#include <fstream>     // required for external file streams#include <iostream>using namespace std;

// Associate stream objects with external file names#define inFile “InData.txt”#define outFile “OutData.txt”

// Functions used …// Copies one line of textint copyLine(ifstream&, ofstream&);

int main(){

   // Local data …   int lineCount;    // output: number of lines processed   ifstream ins;     // ins is as an input stream   ofstream outs;    // outs is an output stream

   // Open input and output file, exit on any error.   ins.open(inFile);      // connects ins to file inFile   if (ins.fail ())   {      cerr << “*** ERROR: Cannot open ” << inFile            << ” for input.” << endl;      return EXIT_FAILURE;    // failure return   }  // end if

   outs.open(outFile);     // connect outs to file outFile   if (outs.fail())   {      cerr << “*** ERROR: Cannot open ” << outFile           << ” for output.” << endl;      return EXIT_FAILURE;    // failure return   }  // end if

   // Copy each character from inData to outData.   lineCount = 0;   do   {      if (copyLine(ins, outs) != 0)         lineCount++;   } while (!ins.eof());

   // Display a message on the screen.   cout << “Input file copied to output file.” << endl;   cout << lineCount << ” lines copied.” << endl;

   ins.close();           // close input file stream    outs.close();        // close output file stream       return 0;       // successful return}

// Copy one line of text from one file to another// Pre:     ins is opened for input and outs for output.// Post:    Next line of ins is written to outs.//          The last character processed from ins is <nwln>;//          the last character written to outs is <nwln>.// Returns: The number of characters copied.int copyLine   (ifstream& ins,          // IN: ins stream    ofstream& outs)         // OUT: outs stream{   // Local data …   const char NWLN = ‘\n’;          // newline character

   char nextCh;                    // inout: character buffer   int charCount = 0;              // number of characters copied

   // Copy all data characters from stream ins to    //    stream outs.   ins.get(nextCh);   while ((nextCh != NWLN) && !ins.eof())   {      outs.put(nextCh);      charCount++;      ins.get (nextCh);   }  // end while

   // If last character read was NWLN write it to outs.   if (!ins.eof())   {      outs.put(NWLN);      charCount++;   }   return charCount;}  // end copyLine

WE HAVE DONE THIS QUESTION BEFORE, WE CAN ALSO DO IT FOR YOU

GET SOLUTION FOR THIS ASSIGNMENT, Get Impressive Scores in Your Class

CLICK HERE TO MAKE YOUR ORDER on Associate stream objects with external file names

TO BE RE-WRITTEN FROM THE SCRATCH