<div>Well, doing all the timing management in one place may aid synchronisation.</div>
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<div>In any case, I second Subbu's sentiments.<br><br> </div>
<div><span class="gmail_quote">On 9/26/08, <b class="gmail_sendername">Ryan Zerby</b> <<a href="mailto:tahognome@gmail.com">tahognome@gmail.com</a>> wrote:</span>
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<div dir="ltr">I'm a beginner myself, but I would think it would be better to have squeak running all the time and let is handle the cron timing, and connecting to the database (kind of like a service of it's own). I would think this would be easier to debug and maintain as well as being more within the paradigm of squeak.
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<div>Better still would be if we got SqueakOS to the point where Squeak noobs like myself could use it in place of Windows :)<br><br>
<div class="gmail_quote"><span class="q">On Fri, Sep 26, 2008 at 10:33 AM, Mark Volkmann <span dir="ltr"><<a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:mark@ociweb.com" target="_blank">mark@ociweb.com</a>></span> wrote:<br>
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<div><span class="q">On Sep 26, 2008, at 9:29 AM, Bert Freudenberg wrote:<br><br></span>
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<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><span class="q">On Sep 26, 2008, at 8:03 AM, Randal L. Schwartz wrote:<br><br></span>
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<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">"Randal" == Randal L Schwartz <<a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:merlyn@stonehenge.com" target="_blank">merlyn@stonehenge.com</a>> writes:<br>
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<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">"Bert" == Bert Freudenberg <<a onclick="return top.js.OpenExtLink(window,event,this)" href="mailto:bert@freudenbergs.de" target="_blank">bert@freudenbergs.de</a>> writes:<br>
</blockquote></blockquote></blockquote></blockquote></blockquote>Bert> Am 26.09.2008 um 05:12 schrieb Mark Volkmann:<br><br></span><span class="q">
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<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Is it possible to run a Squeak program from a terminal window and have<br>access to the stdin and stdout streams from the Smalltalk code?<br>
</blockquote></blockquote></blockquote><br></span><span class="q">And the longer still answer (now that I've noticed "access to stdin and<br>stdout") is to use an image with OSProcess loaded, and then you can<br>
get access as follows:<br><br>me := ThisOSProcess thisOSProcess.<br>stdin := me stdIn. "acts like a Stream"<br>stdout := me stdOut.<br>stderr := me stdErr.<br>stderr print: Time now; cr. "put the time of day on my stderr output"<br>
</span></blockquote><span class="q"><br><br>Thanks for the example code! Now I think all I need is to find out how to launch the code from a terminal window. At <a onclick="return top.js.OpenExtLink(window,event,this)" href="http://wiki.squeak.org/squeak/1914" target="_blank">http://wiki.squeak.org/squeak/1914</a> I found this.<br>
<br>"To initiate external shell processing, evaluate ''ExternalCommandShell stop'', save the image, and restart with ''squeak -headless myImage''."<br><br>It's not clear to me what will be run when that last command is executed from a terminal window. Where would I put code like your example code above and how does the squeak command know to execute it?<br>
</span></blockquote><span class="q"><br>Perhaps you should let us know what you want to achieve in broader terms first. Using Squeak in a headless way to do unix-style stream processing is very unusual. It can be done but it is not something I would recommend to a beginner.<br>
<br>This is in contrast to many other languages which are most easily learned by creating simple programs writing to stdin/stdout. The power of Squeak is in the system (the development tools and frameworks), not so much the language (which is powerful, too, but not really what sets Squeak apart).<br>
</span></blockquote><br><br> </div></div><span class="q">I'm really trying to learn about all aspects of Squeak, but at the moment I have a task where I need to query a relational database and output an XML representation of a subset of the data. This needs to be invoked from a cron job, so if I can run my Smalltalk code from a terminal window then I'll be set. I know I could do this using many other languages such as Java or Ruby. However, since I'm trying to learn Smalltalk and Squeak at the moment, I thought I'd use those as part of the learning process.<br>
<br>---<br><font color="#888888">Mark Volkmann</font></span>
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