INTERVIEW QUESTIONS C++ INPUT AND OUTPUT OPERATIONS IN C++ DETAILS

Question: HOW TO READ TEXT FILE AND READ IT INTO ANOTHER TEXT FILE?

Answer: It can be done using get() & write() functions.

It can be done using get() & write() functions. Source: CoolInterview.com

first open the file in a+ mode and read the data using gets(),getc() or fscanf(),<br>then rewind the file and and by using putc(),puts(),fprintf() wecan write them to another file Source: CoolInterview.com

#include <iostream><br>#include <conio.h><br>using namespace std;<br>void main()<br>{<br> char c;<br> FILE *fin,*fout;<br> fin=fopen("min.txt","rt");<br>if(fin==NULL)<br> {<br> cout << "Error";<br> getch();<br> return;<br> }<br> /* while((c=fgetc(fin))!=EOF)<br> cout << c;*/<br> fout=fopen("mout.txt","wt");<br> if(fout==NULL)<br> {<br> cout << "Error";<br> getch();<br> return;<br> }<br> while((c=fgetc(fin))!=EOF)<br> fputc(c,fout);<br> getch();<br>} Source: CoolInterview.com

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