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-rw-r--r--io.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/io.c b/io.c
index 342fb5697a..a78259ba51 100644
--- a/io.c
+++ b/io.c
@@ -1961,6 +1961,37 @@ rb_io_each_byte(VALUE io)
return io;
}
+/*
+ * call-seq:
+ * str.lines(separator=$/) => anEnumerator
+ *
+ * Returns an enumerator that gives each line in the string.
+ *
+ * "foo\nbar\n".lines.to_a #=> ["foo\n", "bar\n"]
+ * "foo\nb ar".lines.sort #=> ["b ar", "foo\n"]
+ */
+
+static VALUE
+rb_io_lines(int argc, VALUE *argv, VALUE str)
+{
+ return rb_enumeratorize(str, ID2SYM(rb_intern("each_line")), argc, argv);
+}
+
+/*
+ * call-seq:
+ * str.bytes => anEnumerator
+ *
+ * Returns an enumerator that gives each byte in the string.
+ *
+ * "hello".bytes.to_a #=> [104, 101, 108, 108, 111]
+ */
+
+static VALUE
+rb_io_bytes(VALUE str)
+{
+ return rb_enumeratorize(str, ID2SYM(rb_intern("each_byte")), 0, 0);
+}
+
VALUE
rb_io_getc(VALUE io)
{
@@ -5639,6 +5670,8 @@ Init_IO(void)
rb_define_method(rb_cIO, "each", rb_io_each_line, -1);
rb_define_method(rb_cIO, "each_line", rb_io_each_line, -1);
rb_define_method(rb_cIO, "each_byte", rb_io_each_byte, 0);
+ rb_define_method(rb_cIO, "lines", rb_io_lines, -1);
+ rb_define_method(rb_cIO, "bytes", rb_io_bytes, 0);
rb_define_method(rb_cIO, "syswrite", rb_io_syswrite, 1);
rb_define_method(rb_cIO, "sysread", rb_io_sysread, -1);