IO.open

IO.open(fd, mode = 'r', **opts) → io

IO.open(fd, mode = 'r', **opts) {|io| ... } → object

static VALUE
rb_io_s_open(int argc, VALUE *argv, VALUE klass)
{
    VALUE io = rb_class_new_instance_kw(argc, argv, klass, RB_PASS_CALLED_KEYWORDS);

    if (rb_block_given_p()) {
        return rb_ensure(rb_yield, io, io_close, io);
    }

    return io;
}

Creates a new IO object, via IO.new with the given arguments.

With no block given, returns the IO object.

With a block given, calls the block with the IO object and returns the block’s value.

See also .new .pipe .for_fd .popen also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0

‹ prev.new next ›.pipe