code. compile. run. debug. share.
#include <stdio.h>
#include <stdlib.h>
void main()
{
FILE *fold1, *fold2, *fnew;
char ch, fname1[20], fname2[20], fname3[30];
printf("\n\n Merge two files and write it in a new file :\n");
printf("-------------------------------------------------\n");
printf(" Input the 1st file name : ");
scanf("%s",fname1);
printf(" Input the 2nd file name : ");
scanf("%s",fname2);
printf(" Input the new file name where to merge the above two files : ");
scanf("%s",fname3);
fold1=fopen(fname1, "r");
fold2=fopen(fname2, "r");
if(fold1==NULL || fold2==NULL)
{
// perror("Error Message ");
printf(" File does not exist or error in opening...!!\n");
exit(EXIT_FAILURE);
}
fnew=fopen(fname3, "w");
if(fnew==NULL)
{
// perror("Error Message ");
printf(" File does not exist or error in opening...!!\n");
exit(EXIT_FAILURE);
}
while((ch=fgetc(fold1))!=EOF)
{
fputc(ch, fnew);
}
while((ch=fgetc(fold2))!=EOF)
{
fputc(ch, fnew);
}
printf(" The two files merged into %s file successfully..!!\n\n", fname3);
fclose(fold1);
fclose(fold2);
fclose(fnew);
}
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Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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