Issue #1594 has been updated by Yui NARUSE. Status changed from Open to Assigned Assignee set to Akio Tajima ---------------------------------------- Bug #1594: Dir.foreach() mistakenly throws EINVAL in Windows http://redmine.ruby-lang.org/issues/1594 Author: Barry DeZonia Status: Assigned Priority: Normal Assignee: Akio Tajima Category: Target version: ruby -v: ruby 1.8.6 (2007-09-24 patchlevel 111) [i386-mswin32] =begin On Windows 2003 Server (64 bit) I use the attached script to trim files off a disk backup. This code runs fine for days and days but infrequently crashes on the same line of the script: (line 137 - Dir.foreach(copyFullDirName) do | dirEntry |). The backtrace is: D:/BackupScripts/trimMachines.rb:137:in `open': Invalid argument - x:\.\document s and settings\pdculbert\Desktop\Pedram stats\Raw BBS Data by State\FCV30ALL_TES T\ComDyn (Errno::EINVAL) from D:/BackupScripts/trimMachines.rb:137:in `foreach' from D:/BackupScripts/trimMachines.rb:137:in `trimDirectory' from D:/BackupScripts/trimMachines.rb:142:in `trimDirectory' from D:/BackupScripts/trimMachines.rb:137:in `foreach' from D:/BackupScripts/trimMachines.rb:137:in `trimDirectory' from D:/BackupScripts/trimMachines.rb:142:in `trimDirectory' from D:/BackupScripts/trimMachines.rb:137:in `foreach' from D:/BackupScripts/trimMachines.rb:137:in `trimDirectory' ... 19 levels... from D:/BackupScripts/trimMachines.rb:200:in `trimMachines' from D:/BackupScripts/trimMachines.rb:187:in `foreach' from D:/BackupScripts/trimMachines.rb:187:in `trimMachines' from D:/BackupScripts/trimMachines.rb:253 When I check out if the path specified is invalid it in fact exists, its file permissions are correct, etc. The biggest issue (I think) is that the directory contains 121,954 files. Note that the script loops over this directory a number of times successfully before it crashes on one pass some days (or weeks) later. I've tested that the "x:\.\" notation is fine. The directory recursion level is only 8 levels and I don't get a stack too deep error. Along the "x:\.\documents and settings\pdculbert\Desktop\Pedram stats\Raw BBS Data by State\FCV30ALL_TEST\ComDyn" path on the hard drive: . contains 4 entries documents and settings contains 17 entries pdculbert contains 221 entries Desktop contains 69 entries Pedram stats contains 16 entries Raw BBS Data by State contains 82 entries FCV30ALL_TEST contains 5 entries ComDyn contains 121,956 entries =end -- http://redmine.ruby-lang.org