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<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri">Hi Itay,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri">I may be wrong about this and there may be an easier way -- hopefully someone will point that out -- but back to your original question then, the way that occurs to me would be conditional
sequences. I'll share an example here in case that will help you assess if this is the right approach for what you want to do and perhaps provide a bit of guidance on how this works. If you end up with specific instrucitons on how to do this perhaps you can
reply to me off-list for more detail.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri">We make extensive use of conditional sequences in our lab courses to prevent students from accessing the postlab if they have not correctly entered their data into the Lon-Capa lab. Below
is a graphic representation of what that looks like for one of our prelab -- lab -- postlab sequences. This screenshot comes from the "advanced editor" interface for creating the sequence. The three "Res" blocks correspond to the prelab problem, the lab problem,
and the postlab problem. The conditional references the lab problem (mapalias "inlab9") to see if all of the answers there have been answered correctly and if not, blocks access to the postlab problem. It looks like this:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri">(((&EXT('user.resource.resource.210.11.awarddetail','inlab9') eq 'APPROX_ANS') || (&EXT('user.resource.resource.210.11.awarddetail','inlab9') eq 'EXACT_ANS')) && ((&EXT('user.resource.resource.220.21.awarddetail','inlab9')
eq 'APPROX_ANS') || (&EXT('user.resource.resource.220.21.awarddetail','inlab9') eq 'EXACT_ANS')) && ((&EXT('user.resource.resource.220.22.awarddetail','inlab9') eq 'APPROX_ANS') || (&EXT('user.resource.resource.220.22.awarddetail','inlab9') eq 'EXACT_ANS'))
&& ((&EXT('user.resource.resource.220.23.awarddetail','inlab9') eq 'APPROX_ANS') || (&EXT('user.resource.resource.220.23.awarddetail','inlab9') eq 'EXACT_ANS')) && ((&EXT('user.resource.resource.220.24.awarddetail','inlab9') eq 'APPROX_ANS') || (&EXT('user.resource.resource.220.24.awarddetail','inlab9')
eq 'EXACT_ANS'))) || (&EXT('user.resource.resource.210.solved','inlab9') eq 'excused')<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri">(The last line of the conditional provides a way for the instructor to allow access to the postlab for a student with an excused absence from the lab.)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri">Your conditional may be quite a bit simpler being focused solely on whether or not the problem has its answer available. I have not done that in a sequence before, but I have referenced
it within a problem and it looks like this: $external::datestatus eq 'SHOW_ANSWER' I am NOT sure how (or if it's possible) to use that type of reference with a mapalias and hope someone else can help with that?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri">The one other thing I'll point out about my sequence below is the path from the lab directly to Finish. That provides a path so as to not conditionally hide everything else in the course
(as I once did when I first started working with sequences). <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri">In your case, if I understand correctly, your sequence would contain two resources: the problem and the solution and the conditional would come between them and would verify that the answer
was available for the problem before giving access to the solution. I imagine that you could have a string of problem and solution pairs if you provided also a direct path from problem to problem so that all the problems were unconditionally available while
each solution had a conditional path from its respective problem.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri">My very long .02. If that seems like a viable approach for what you want to do, I'll be happy to answer additional questions off-list.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri">Doug<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><img width="173" height="673" id="Picture_x0020_1" src="cid:image001.png@01D3B56C.DFD6FB60"></span><span style="font-size:13.0pt;font-family:Calibri"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Calibri;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Calibri;color:black">Douglas Mills<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Calibri;color:black">Director of Instructional Technology<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Calibri;color:black">Department of Chemistry<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Calibri;color:black">University of Illinois<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:13.0pt;font-family:Calibri"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-family:Calibri;color:black">From:
</span></b><span style="font-family:Calibri;color:black">LON-CAPA-users <lon-capa-users-bounces@mail.lon-capa.org> on behalf of Itay <itayf@nospammail.net><br>
<b>Reply-To: </b>Discussion list for LON-CAPA users <lon-capa-users@mail.lon-capa.org><br>
<b>Date: </b>Monday, March 5, 2018 at 3:37 PM<br>
<b>To: </b>Discussion list for LON-CAPA users <lon-capa-users@mail.lon-capa.org><br>
<b>Subject: </b>Re: [LON-CAPA-users] How to automatically display solution for a problem?<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial">Doug, Lucas, and Justin,<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial">Thank you very much for your reply.<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial">This is exactly what I wanted, and will employ, for problems that I code.<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial">What can be done for problems that others have authored?<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial">Thanks<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial">Itay<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">On Mon, 5 Mar 2018, at 23:08, Justin Gray wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial">Here is a sample problem that uses a block for after solved:<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><problem><startouttext />Enter the correct answer 42 to see the hidden text or image:<endouttext /><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><numericalresponse answer="42"><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"> <textline readonly="no" spellcheck="none" /><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"> <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"></numericalresponse><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><solved><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"> <img encrypturl="no" /><startouttext /><p>Hooray!</p><endouttext /><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"></solved><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"></problem><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Note that the solution could be, for example, a text/HTML block or an image.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Justin<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="color:#666666">Justin Gray | Senior Lecturer<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span class="colour"><span style="font-family:Arial;color:#666666">Department of Mathematics | Simon Fraser University</span></span><span style="font-family:Arial"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span class="colour"><span style="font-family:Arial;color:#666666">8888 University Drive, Burnaby | V5A 1S6 | Canada</span></span><span style="font-family:Arial"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span class="colour"><span style="font-family:Arial;color:#666666">Tel: +1 778.782.4237</span></span><span style="font-family:Arial"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><img width="200" height="30" id="_x0000_i1025" src="cid:image002.png@01D3B56C.DFD6FB60"><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial">On Mon, Mar 5, 2018 at 1:03 PM, Mills, Douglas G <<a href="mailto:dmills@illinois.edu">dmills@illinois.edu</a>> wrote:<o:p></o:p></span></p>
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<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri">HI Itay,</span></span><o:p></o:p></p>
<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri">There these very handy "Blocks" you can insert in your problem code and I think the "postanswerdate" block will do what you want, but I'm including all four that
can be found from the Insert menu on the "colorful" editor. I would describe these as predefined conditionals so the postanswerdate pair, for example, will only display what is within the opening and closing tags after the answer has become available. If
you put your link to a solution PDF inside a pair of postanswerdate tags, that should do what you're looking for. The others work analogously I believe.</span></span><o:p></o:p></p>
<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri"> <postanswerdate></postanswerdate></span></span><o:p></o:p></p>
<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri"> <preduedate></preduedate></span></span><o:p></o:p></p>
<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri"> <solved></solved></span></span><o:p></o:p></p>
<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri"> <notsolved></notsolved></span></span><o:p></o:p></p>
<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<p style="margin-left:.5in"><span class="font"><span style="font-family:Calibri;color:black"> </span></span><o:p></o:p></p>
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<p style="margin-left:.5in"><span class="font"><span style="font-family:Calibri;color:black">Doug</span></span><o:p></o:p></p>
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<p style="margin-left:.5in"><span class="font"><span style="font-family:Calibri;color:black"> </span></span><o:p></o:p></p>
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<p style="margin-left:.5in"><span class="font"><span style="font-family:Calibri;color:black">Douglas Mills</span></span><o:p></o:p></p>
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<p style="margin-left:.5in"><span class="font"><span style="font-family:Calibri;color:black">Director of Instructional Technology</span></span><o:p></o:p></p>
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<p style="margin-left:.5in"><span class="font"><span style="font-family:Calibri;color:black">Department of Chemistry</span></span><o:p></o:p></p>
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<p style="margin-left:.5in"><span class="font"><span style="font-family:Calibri;color:black">University of Illinois</span></span><o:p></o:p></p>
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<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
<p style="margin-left:.5in"><span class="size"><span style="font-size:13.0pt;font-family:Calibri"> </span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><b><span style="font-family:Calibri;color:black">From:
</span></b></span><span class="font"><span style="font-family:Calibri;color:black">LON-CAPA-users <<a href="mailto:lon-capa-users-bounces@mail.lon-capa.org">lon-capa-users-bounces@mail.lon-capa.org</a>> on behalf of Itay <<a href="mailto:itayf@nospammail.net">itayf@nospammail.net</a>></span></span><span style="font-family:Calibri;color:black"><br>
<span class="font"><b>Reply-To: </b>Discussion list for LON-CAPA users <<a href="mailto:lon-capa-users@mail.lon-capa.org">lon-capa-users@mail.lon-capa.org</a>></span><br>
<span class="font"><b>Date: </b>Monday, March 5, 2018 at 2:34 PM</span><br>
<span class="font"><b>To: </b>Discussion list for LON-CAPA users <<a href="mailto:lon-capa-users@mail.lon-capa.org">lon-capa-users@mail.lon-capa.org</a>></span><br>
<span class="font"><b>Subject: </b>[LON-CAPA-users] How to automatically display solution for a problem?</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"> <o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">Hi</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial"> </span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">I failed to find a solution to this seemingly simple and universal issue.</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">Conditional sequences might be the mechanism I am looking for, but I could not find enough details and examples of implementation.</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial"> </span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">Assume I prepared and published a problem 'some.problem', and a corresponding solution 'solution.pdf'.</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">I imported the problem into a course and set the parameters duedate and answerdate.</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial"> </span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">I am looking for a mechanism that will allow me</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">(1) to include a reference to the 'solution.pdf' inside 'some.problem'; and</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">(2) will display 'solution.pdf' to the students only when 'answerdate' is reached and the answer for 'some.problem' is displayed.</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">And I would like to achieve this for every problem inside a folder and/or a course.</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial"> </span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">I would appreciate any hints on how to achieve that.</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial"> </span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">Thanks in advance,</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial">Itay</span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial"> </span></span><o:p></o:p></p>
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<p style="margin-left:1.0in"><span class="font"><span style="font-family:Arial"> </span></span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial">_______________________________________________<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial">LON-CAPA-users mailing list<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial"><a href="mailto:LON-CAPA-users@mail.lon-capa.org">LON-CAPA-users@mail.lon-capa.org</a><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial"><a href="http://mail.lon-capa.org/mailman/listinfo/lon-capa-users">http://mail.lon-capa.org/mailman/listinfo/lon-capa-users</a><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><u>_______________________________________________</u><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">LON-CAPA-users mailing list<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><a href="mailto:LON-CAPA-users@mail.lon-capa.org">LON-CAPA-users@mail.lon-capa.org</a><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><a href="http://mail.lon-capa.org/mailman/listinfo/lon-capa-users">http://mail.lon-capa.org/mailman/listinfo/lon-capa-users</a><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-family:Arial"><o:p> </o:p></span></p>
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