strange behavior on windows: ruby.exe: illegal switch in RUBYOPT: -V (RuntimeError)

Newsgroups	comp.lang.ruby
Date	2013-07-27 10:37 -0700
Message-ID	<ee59aa31-9ad7-4d00-bca5-788cb64cb7da@googlegroups.com> (permalink)
Subject	strange behavior on windows: ruby.exe: illegal switch in RUBYOPT: -V (RuntimeError)
From	Alon Nisser <alonisser@gmail.com>

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I'm using ruby on windows (installed from ruby installer). most of the time ruby based apps such as vagrant, rspec, puppet etc work fine

but once in a while they all start to crash with this error:

   ruby.exe: illegal switch in RUBYOPT: -V (RuntimeError)

when I start a new command console - everything there works fine (for a while). this is getting really annoying. and I can't get answers on google (all of my search results show -F and not -V like this error

this is the ruby version:

  ruby 1.8.7 (2013-06-27 patchlevel 374) [i386-mingw32]

installed in :

C:\Ruby187>

win version: win 7 enterprise sp1 64 bit

Thanks for the help!

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strange behavior on windows: ruby.exe: illegal switch in RUBYOPT: -V (RuntimeError) Alon Nisser <alonisser@gmail.com> - 2013-07-27 10:37 -0700
  Re: strange behavior on windows: ruby.exe: illegal switch in RUBYOPT: -V (RuntimeError) Simon Krahnke <overlord@gmx.li> - 2013-08-09 01:42 +0200
    Re: strange behavior on windows: ruby.exe: illegal switch in RUBYOPT: -V (RuntimeError) Alon Nisser <alonisser@gmail.com> - 2013-08-19 10:35 -0700

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