<div dir="ltr">Hi Jay,<div><br></div><div>I figured out my issue.</div><div><br></div><div style>The command I was invoking externally created a file. Although I was operating on a file in /tmp (and therefore expected the external tool to create its output there), all of the outputs of the process executed through "system" were created in "htdocs." </div> <div style><br></div><div style>So, I was looking for output files in all the wrong places.</div><div style><br></div><div style>Parameterizing current-directory solved my confusion.</div><div style><br></div><div style>Many thanks. I wondered if things might be dying silently for reasons that might be more subtle, and your answer moved me forward.</div> <div style><br></div><div style>Cheers,</div><div style>Matt</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Sat, Apr 6, 2013 at 4:55 PM, Jay McCarthy <span dir="ltr"><<a href="mailto:jay.mccarthy@gmail.com" target="_blank">jay.mccarthy@gmail.com</a>></span> wrote:<br> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">There's nothing that a servlet would make interesting about it.<br> <br> I tend to prefer system* because you get more control about the<br> arguments without having to worry about spaces and shell parsing.<br> <div><div class="h5"><br> On Sat, Apr 6, 2013 at 2:26 PM, Matt Jadud <<a href="mailto:matt@jadud.com">matt@jadud.com</a>> wrote:<br> > Hi all,<br> ><br> > Is there anything special I need to do if I want to call out to a system<br> > process from within a servlet? Use system* vs system, etc.?<br> ><br> > Many thanks,<br> > Matt<br> ><br> </div></div>> ____________________<br> > Racket Users list:<br> > <a href="http://lists.racket-lang.org/users" target="_blank">http://lists.racket-lang.org/users</a><br> ><br> <span class="HOEnZb"><font color="#888888"><br> <br> <br> --<br> Jay McCarthy <<a href="mailto:jay@cs.byu.edu">jay@cs.byu.edu</a>><br> Assistant Professor / Brigham Young University<br> <a href="http://faculty.cs.byu.edu/~jay" target="_blank">http://faculty.cs.byu.edu/~jay</a><br> <br> "The glory of God is Intelligence" - D&C 93<br> </font></span></blockquote></div><br></div>