method

chown

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

chown(p1, p2) public

Changes the owner and group of file to the given numeric owner and group id’s. Only a process with superuser privileges may change the owner of a file. The current owner of a file may change the file’s group to any group to which the owner belongs. A nil or -1 owner or group id is ignored. Follows symbolic links. See also File#lchown.

   File.new("testfile").chown(502, 1000)

Show source

/*
 *  call-seq:
 *     file.chown(owner_int, group_int )   => 0
 *  
 *  Changes the owner and group of <i>file</i> to the given numeric
 *  owner and group id's. Only a process with superuser privileges may
 *  change the owner of a file. The current owner of a file may change
 *  the file's group to any group to which the owner belongs. A
 *  <code>nil</code> or -1 owner or group id is ignored. Follows
 *  symbolic links. See also <code>File#lchown</code>.
 *     
 *     File.new("testfile").chown(502, 1000)
 *     
 */

static VALUE
rb_file_chown(obj, owner, group)
    VALUE obj, owner, group;
{
    rb_io_t *fptr;
    int o, g;

    rb_secure(2);
    o = NIL_P(owner) ? -1 : NUM2INT(owner);
    g = NIL_P(group) ? -1 : NUM2INT(group);
    GetOpenFile(obj, fptr);
#if defined(DJGPP) || defined(__CYGWIN32__) || defined(_WIN32) || defined(__EMX__)
    if (!fptr->path) return Qnil;
    if (chown(fptr->path, o, g) == -1)
        rb_sys_fail(fptr->path);
#else
    if (fchown(fileno(fptr->f), o, g) == -1)
        rb_sys_fail(fptr->path);
#endif

    return INT2FIX(0);
}

chown

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