method

chmod

v1_8_7_72 - Show latest stable - 0 notes - Class: File

chmod(p1) public

Changes permission bits on file to the bit pattern represented by mode_int. Actual effects are platform dependent; on Unix systems, see chmod(2) for details. Follows symbolic links. Also see File#lchmod.

   f = File.new("out", "w");
   f.chmod(0644)   #=> 0

Show source

/*
 *  call-seq:
 *     file.chmod(mode_int)   => 0
 *  
 *  Changes permission bits on <i>file</i> to the bit pattern
 *  represented by <i>mode_int</i>. Actual effects are platform
 *  dependent; on Unix systems, see <code>chmod(2)</code> for details.
 *  Follows symbolic links. Also see <code>File#lchmod</code>.
 *     
 *     f = File.new("out", "w");
 *     f.chmod(0644)   #=> 0
 */

static VALUE
rb_file_chmod(obj, vmode)
    VALUE obj, vmode;
{
    rb_io_t *fptr;
    int mode;

    rb_secure(2);
    mode = NUM2INT(vmode);

    GetOpenFile(obj, fptr);
#ifdef HAVE_FCHMOD
    if (fchmod(fileno(fptr->f), mode) == -1)
        rb_sys_fail(fptr->path);
#else
    if (!fptr->path) return Qnil;
    if (chmod(fptr->path, mode) == -1)
        rb_sys_fail(fptr->path);
#endif

    return INT2FIX(0);
}

chmod

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