How To Write a C Program To Copy The Contents Of One File Into Another Using fputc in C Programming Language ?
Solution For C Program To Copy The Contents Of One File Into Another Using fputc:
#include<stdio.h> #include<process.h> void main() { FILE *fp1,*fp2; char a; clrscr(); fp1=fopen("test.txt","r"); if(fp1==NULL) { puts("cannot open this file"); exit(1); } fp2=fopen("test1.txt","w"); if(fp2==NULL) { puts("Not able to open this file"); fclose(fp1); exit(1); } do { a=fgetc(fp1); fputc(a,fp2); }while(a!=EOF); fcloseall(); getch(); }Output :
Content will be written successfully to file
Explanation of Program :
We have to files with us , we are opening one file in read mode and another file in write mode.
fp1=fopen("test.txt","r");
and
fp2=fopen("test1.txt","w");
It is better practice to check whether file is opened successfully or not using NULL check.
if(fp2==NULL) { //File is Not opened Successfully }
If everything goes right then we are reading file character by character and writing on file character by character.
a=fgetc(fp1); //Reading Single Character
End of File is specified by EOF character, thus if we get EOF character then process of writing on the file will be terminated.
do { a=fgetc(fp1); fputc(a,fp2); }while(a!=EOF);
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