x_mv.c

关于SHELL方面的

/* x_mv.c - x_mv */

#include <conf.h>
#include <kernel.h>
#include <file.h>

/*------------------------------------------------------------------------
 *  x_mv  -  (command mv) move (rename) a file
 *------------------------------------------------------------------------
 */
COMMAND	x_mv(stdin, stdout, stderr, nargs, args)
int	stdin, stdout, stderr, nargs;
char	*args[];
{
	if (nargs != 3) {
		fprintf(stderr, "usage: mv file tofile\n");
		return(SYSERR);
	}
	if (rename(args[1], args[2]) == SYSERR ) {
		fprintf(stderr, "Cannot move %s\n", args[1]);
		return(SYSERR);
	}
	return(OK);
}