cygwin.bat improvements (was Re: Cygwin on XP disapearing terminal mystery)

[Brian Dessent]

Christopher Faylor wrote:

> Couldn't it just replace the bash line with:
> 
>   if exist bash.exe goto ok
>   echo **** bash.exe is missing - please install it
>   pause
>   :ok
>   bash --login -i

Well that would certainly work for the case of a missing bash.  I guess
I was thinking that the marker file method would work for a wider range
of brokenness where for whatever reason the shell fails to start and/or
complete its initialization.  Having never experienced this personally I
can't really come up with a set of possible scenarios of brokenness, but
it seems we get do get a lot of "bash window flashes briefly and then
disappears" reports.  Are they all just missing bash.exe?

Brian

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