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Bug #9431

closed

In windows ruby IO.write returns count of bytes without count of CR character

Added by bdimych (Dmitry Bolshakov) about 9 years ago. Updated 8 months ago.

Status:
Rejected
Priority:
Normal
Assignee:
-
Target version:
-
ruby -v:
ruby 2.0.0p247 (2013-06-27) [i386-mingw32]
Backport:
[ruby-core:59876]

Description

C:\Users\bdimych>ruby -e "p IO.write('temp.txt', %Q(123\n)); p File.size('temp.txt')"
4
5

imho it looks unexpected

Updated by mame (Yusuke Endoh) 8 months ago

  • Status changed from Open to Rejected
  • Backport deleted (1.9.3: UNKNOWN, 2.0.0: UNKNOWN, 2.1: UNKNOWN)

I believe this is a spec of Windows. Ruby's IO interface is based on C's stdio, and I confirmed that fwrite("Hello\n", 1, 6, fp) returns 6 and actually outputs 7 bytes on Windows with cl.exe.

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