Feature #3575: String#split is inconsistent with empty string and negative limit

• Status: Closed
• Assignee: drbrain (Eric Hodel)
• Target version: -

[Conrad.Irwin (Conrad Irwin)]

Currently works like this:

"".split(",", -1) # => []

According to the documentation, blank fields should not be stripped when a negative offset is provided. I expect:

"".split(",", -1) # => [""]

[akr (Akira Tanaka)]

• Description updated (diff)

I think Ruby thinks "" has no fields, not one field which have empty string.

So, "".split(",", -1) should return [].

Documentation issue, maybe.

[drbrain (Eric Hodel)]

• Category changed from core to doc
• Assignee set to drbrain (Eric Hodel)

I will add a note to the documentation to cover the behavior of empty strings.

[mame (Yusuke Endoh)]

• Status changed from Open to Assigned

[drbrain (Eric Hodel)]

• Status changed from Assigned to Closed
• % Done changed from 0 to 100

This issue was solved with changeset r35275.
Conrad, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

---

• string.c (rb_str_split_m): Documented behavior of split on the empty
  string. [ruby-trunk - Feature #3575]

[sawa (Tsuyoshi Sawada)]

• Description updated (diff)