Mega Code Archive
Copy one file to another
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#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
FILE *in, *out;
char ch;
if(argc!=3) {
printf("You forgot to enter a filename.\n");
exit(1);
}
if((in=fopen(argv[1], "rb")) == NULL) {
printf("Cannot open input file.\n");
exit(1);
}
if((out=fopen(argv[2], "wb")) == NULL) {
printf("Cannot open output file.\n");
exit(1);
}
while(!feof(in)) {
ch = getc(in);
if(ferror(in)) {
printf("Read Error");
clearerr(in);
break;
} else {
if(!feof(in)) putc(ch, out);
if(ferror(out)) {
printf("Write Error");
clearerr(out);
break;
}
}
}
fclose(in);
fclose(out);
return 0;
}
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