From: ara.t.howard@...
Date: 2006-08-02T05:10:01+09:00
Subject: Re: 'system' and windows and an external program

On Wed, 2 Aug 2006 Nuralanur@aol.com wrote:

> Dear all,
>
> I have a Ruby program that does some lengthy calculations and outputs
> a matrix, which I'd like to write to a Postscript or PDF using Latex file
> for readability
> (and re-usability in some lengthier text).
> I have managed to put together the Latex code using Ruby, so I can  start
> Latex using the system command
>
>  system('latex ' + filename[0...filename.index('.')] + '.tex')
>
> This works.
> To turn it into a Postscript file, I need another command
>
>       system('dvips ' +  filename[0...filename.index('.')])
>
> This works also and creates a new Postscript file.
> But now, I'd like to open a Ghostview window to show the output in  the
> Postscript file automatically from the same Ruby script that did all  the
> previous work and I'd like Ghostscript to stay open even after the  Ruby
> program finishes.
>
> I've tried
>          system('gsview32 ' +  filename[0...filename.index('.')] + '.ps'),
                                                        ^^^^^
                                                        ^^^^^
                                                        rindex

perhaps?  eg does your pathname have two extensions?


-a
-- 
we can never obtain peace in the outer world until we make peace with
ourselves.
- h.h. the 14th dali lama