C++程序  |  24行  |  430 B

/* dirname.c - show directory portion of path
 *
 * Copyright 2011 Rob Landley <rob@landley.net>
 *
 * See http://opengroup.org/onlinepubs/9699919799/utilities/dirname.html

USE_DIRNAME(NEWTOY(dirname, "<1", TOYFLAG_USR|TOYFLAG_BIN))

config DIRNAME
  bool "dirname"
  default y
  help
    usage: dirname PATH

    Show directory portion of path.
*/

#include "toys.h"

void dirname_main(void)
{
  puts(dirname(*toys.optargs));
}