# 2 lines to add to the ir launcher

**URL:** <https://www.ruby-forum.com/t/2-lines-to-add-to-the-ir-launcher/179466>\
**Category:** IronRuby\
**Created:** [November 25, 2009, 5:20pm UTC](https://www.ruby-forum.com/t/2-lines-to-add-to-the-ir-launcher/179466 "2009-11-25T17:20:28Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![barby](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/c57346/32.png) [@barby](https://www.ruby-forum.com/u/barby)\
**Post date:** [November 25, 2009, 5:20pm UTC](https://www.ruby-forum.com/t/2-lines-to-add-to-the-ir-launcher/179466/1 "2009-11-25T17:20:28Z")

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Hi

Could the following 2 lines be added to the ir launcher script for mono  
?

export MONO\_IOMAP=all  
export MONO\_MANAGED\_WATCHER=1

The first one ensures no errors when people related to casing and drive  
letters  
[http://www.mono-project.com/IOMap](http://www.mono-project.com/IOMap)

the second one enables System.IO.FileSystemWatcher on linux and OSX.

* * *

Met vriendelijke groeten - Best regards - Salutations  
Ivan Porto C.  
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Author of IronRuby in Action ([http://manning.com/carrero](http://manning.com/carrero))