> What is your definition of 'portable'? Something that runs from the
> same installation dir across different operating systems? Different
> distributions of linux? Or just different machines running the same
> OS/distribution?

Something that runs from the same installation dir on my USB PenDrive 
across different computers without need to install the editor on those 
computers. If it runs on windows is just perfect, compatibility for 
linux will be even better, but not essential.

> This page might be helpful:
> https://spreadsheets.google.com/ccc?key=0Al_hzYODcgxwdG9tUFhqcVVoUDVaLTlqT2YtNjV1N0E&hl=en
>
Already view it before posting, but it doesn't say if it's portable.

> The topic of ruby ides comes up periodically here, and usually
> generates a long thread, so search the archives. The matrix above came
> about from this previous incarnation of this topic, for instance:
> http://www.ruby-forum.com/topic/195926
> 
I know, but I read a lot before posting (even that one), but there 
aren't talking about portable ones...

>gvim and notepad++ are offered

Yea, but they are good general editors, I want something more Ruby 
oriented...

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