On Sun, Mar 25, 2007 at 10:00:46AM -0300, Jorge Peixoto de Morais Neto wrote:
> >
> >
> >The following little C program will illustrate:
> >
> >#include <stdio.h>
> >#include <stdlib.h>
> >
> >int main(void) {
> > FILE *f;
> >
> > f = fopen("check_my_size", "w");
> > int i;
> > for (i = 0; i < 1000000; ++i)
> > fprintf(f, "This is just filler for the file");
> > system("ls -lk check_my_size");
> > printf("Checking utilization:\n");
> > fflush(stdout);
> > system("df -k");
> > sleep(2);
> > printf("Unlinking file\n");
> > fflush(stdout);
> > unlink("check_my_size");
> > system("ls -lk check_my_size");
> > printf("Checking utilization:\n");
> > fflush(stdout);
> > system("df -k");
> > sleep(2);
> > printf("Closing file\n");
> > fflush(stdout);
> > fclose(f);
> > system("ls -lk check_my_size");
> > printf("Checking utilization:\n");
> > fflush(stdout);
> > system("df -k");
> > return 0;
> >}
> >
> Why do you use unlink() instead of remove()?
No difference, really:
If path specifies a directory, remove(path) is the equivalent of
rmdir(path). Otherwise, it is the equivalent of unlink(path).
Regards,
-Roberto
--
Roberto C. Sánchez
http://people.connexer.com/~roberto
http://www.connexer.com
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