From: Logan Capaldo <logancapaldo@...>
Date: 2006-06-01T03:01:59+09:00
Subject: Re: Passing a string as stdin to a popen


On May 31, 2006, at 11:30 AM, Pedro C�rte-Real wrote:

> Say I have some content in a ruby string and I want to pass it as
> stdin input to a command. I then want to read the output.
>
> I tried this:
>
> IO.popen("mycommand", mode='r+') do |io|
>  io.write mytext
>  result = io.read
> end
>
> This resulted in a "Broken Pipe" exception. What's the correct way  
> to do this?
>
> Thanks,
>
> Pedro.
>

I'm not sure _exactly_ what the problem is, but I imagine that
  io.write mytext
  io.close_write # let the process know you've given it all the data
  result = io.read

will fix things right up.