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<p class="MsoNormal">I actually just created this for a tweepository last night:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">http://websci-tweets.ecs.soton.ac.uk/cgi/tweepository/highest_tweetid<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Here’s what’s in the cgi scrtipt directory (you’ll just need to globally replace ‘tweet’ with ‘eprint’ in the mysql query):<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">use EPrints;<o:p></o:p></p>
<p class="MsoNormal">use strict;<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">my $eprints = EPrints->new;<o:p></o:p></p>
<p class="MsoNormal">my $repo = $eprints->current_repository;<o:p></o:p></p>
<p class="MsoNormal">exit( 0 ) unless( defined $repo );<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">my $format = $repo->param( "format" );<o:p></o:p></p>
<p class="MsoNormal">$format = "default" if( !defined $format );<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">my $sql = 'SELECT MAX(tweetid) FROM tweet';<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">my $sth = $repo->database->prepare($sql);<o:p></o:p></p>
<p class="MsoNormal">$sth->execute;<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">my $high_id = $sth->fetchrow_arrayref->[0];<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">if ($format eq 'commas')<o:p></o:p></p>
<p class="MsoNormal">{<o:p></o:p></p>
<p class="MsoNormal"> print scalar reverse join ',', unpack '(A3)*', reverse $high_id;<o:p></o:p></p>
<p class="MsoNormal">}<o:p></o:p></p>
<p class="MsoNormal">else<o:p></o:p></p>
<p class="MsoNormal">{<o:p></o:p></p>
<p class="MsoNormal"> print $high_id;<o:p></o:p></p>
<p class="MsoNormal">}<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:"Times New Roman";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman";color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><a href="http://www.jisc.ac.uk/"><span style="font-size:12.0pt;font-family:"Times New Roman";color:blue;text-decoration:none"><img border="0" width="60" height="35" id="_x0000_i1025" src="cid:image001.png@01D2883A.4C0878B0" alt="isc"></span></a><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:Corbel;color:#2C3841">Adam Field</span></b><span style="font-size:12.0pt;font-family:"Times New Roman""><br>
</span><span style="font-size:12.0pt;font-family:Corbel;color:#2C3841">SHERPA services analyst developer</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><b><span style="color:black">From:
</span></b><span style="color:black"><eprints-tech-bounces@ecs.soton.ac.uk> on behalf of John Salter <J.Salter@leeds.ac.uk><br>
<b>Reply-To: </b>"eprints-tech@ecs.soton.ac.uk" <eprints-tech@ecs.soton.ac.uk><br>
<b>Date: </b>Wednesday, 15 February 2017 11:58<br>
<b>To: </b>"eprints-tech@ecs.soton.ac.uk" <eprints-tech@ecs.soton.ac.uk><br>
<b>Subject: </b>Re: [EP-tech] Figuring out the highest EPrint ID?</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-family:"Times New Roman""><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="color:#1F497D">Try the database:</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="color:#1F497D">mysql> SELECT MAX(eprintid) FROM eprint;</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="color:#1F497D">mysql> SELECT counter FROM counters WHERE counterid = 'eprintid';</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="color:#1F497D">There's probably a way to get this via an EPrints session too if you need that?</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="color:#1F497D">Cheers,</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="color:#1F497D">John</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><b><span style="mso-fareast-language:EN-GB">From:</span></b><span style="mso-fareast-language:EN-GB"> eprints-tech-bounces@ecs.soton.ac.uk [mailto:eprints-tech-bounces@ecs.soton.ac.uk]
<b>On Behalf Of </b>Andrew Beeken<br>
<b>Sent:</b> 15 February 2017 11:46<br>
<b>To:</b> eprints-tech@ecs.soton.ac.uk<br>
<b>Subject:</b> [EP-tech] Figuring out the highest EPrint ID?</span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Hello again!<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">New one here, related to a different project! So, I’m trying to find the HIGHEST EPrint ID that we have in our live system. I was doing this by taking the “Latest Additions” atom feed and looking at the topmost
entry, however I have now realised this isn’t accurate as this could be representative of an item that has been sat in a work area for a number of weeks or even months. Is there an easy way, via endpoint or API access, that I could use to derive the highest
number?<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Andrew<o:p></o:p></p>
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