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An option would be to run the bash script inside a PTY... but that makes it
simply to complex for something that could all be done from within ruby...Have
you try calling rdoc straight from ruby instead of bash?

2009/7/15 Tom Cloyd <tomcloyd / comcast.net>

> I have little experience with this sort of thing, but it looked fairly
> straightforward. I'm in trouble, however.
>
> Details:
>
> From /home/tomc/Ruby-work/setnet/bin/ I launch "./setnet". This dir
> contains:
> mkrdoc.sh  setnet
>
> "./setnet" contains these lines (among others), and works fine:
>
> manager  N::DBManager.new()
> manager.startup
>
> The "SN.rb" module is in "/home/tomc/Ruby-work/setnet/lib/setnet", and
> contains a method with this code snippet -
>
> puts "\n generating new rdocs for SetNet "
> system("ls")  # to verify where I am in the filesystem
> system("./mkrdoc.sh")
> if $? ! 
>  puts "*** command failed: status  {$?.exitstatus}"
> end
>
> This snippet executes by means of selection from a menu, with this result -
>
>  generating new rdocs for SetNet 
> mkrdoc.sh  setnet                     *** command failed: status  27
> mkrdoc.sh contains:
>
> cd ../lib/setnet
> echo "dir--"
> ls
> echo "rdoc executing --"
> rdoc -N -x ./doc
>
> What I'm trying to do is acquire the functionality of generating new rdocs
> for my program without having to manually go back to a command line. Every
> attempt I made to make a single "system()" call from within ruby, to
> generate the rdocs, have failed. In my experience, rdoc is excessively
> quirky. I've spent most of today trying to get it to do some simple things,
> and failing, even though I've very carefully following the documentation. I
> do have something that works - that "rdoc -N -s ./doc" command, but only
> when it's executed from within the right dir.
>
> Since -
> * I'm allowed one command per "system()" call, and
> * upon return from that call, the present working dir is reset to its prior
> state...
>
> my only option appears to be to issue the commands I'd use in a manual
> interaction with the CLI from within a script file, and that's what I'm
> trying to do.
>
> My questions:
>
> 1. Is there some obvious reason by my attempt to execute mkrdoc.sh is
> failing?
> 2. How can I make use of the process status output I've captured? I've
> searched Pickax 3rd ed., and with Google, and I'm not receiving much
> enlightenment. What do the "big boys/girls" do with this status output?
>
> Thanks very much for any help anyone can offer.
>
> Tom
>
> --
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Tom Cloyd, MS MA, LMHC - Private practice Psychotherapist
> Bellingham, Washington, U.S.A: (360) 920-1226
> << tc / tomcloyd.com >> (email)
> << TomCloyd.com >> (website) << sleightmind.wordpress.com >> (mental
> health weblog)
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>

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