<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Do you have NCL 6.5.? This function is only available there. </div><div class=""><br class=""></div><div class="">You can still use the "old" method that exploits Python. It works pretty well and you don't necessarily need to have a NCL "driver" script.</div><div class=""><br class=""></div><div class="">That's how I've modified task_parallelism_2.py</div><div class=""><br class=""></div><div class=""><div class=""><font face="Menlo" class="">def launchTask(script):</font></div><div class=""><b class=""><font face="Menlo" class="">    task = subprocess.Popen("ncl " + script, shell=True, executable="/bin/bash") </font></b></div><div class=""><font face="Menlo" class="">    return task</font></div></div><div class=""><br class=""></div><div class="">and then simply launch it from bash as </div><div class=""><br class=""></div><div class=""><font face="Menlo" class="">python task_parallelism.py plot_pres_t2m_winds10m.ncl plot_gph_t_850.ncl</font></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">BTW to the devs, the link <a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/subprocess.shtml" class="">https://www.ncl.ucar.edu/Document/Functions/Built-in/subprocess.shtml</a> is broken. </div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 6. Apr 2018, at 12:01, Seyed Omid Nabavi <<a href="mailto:seyed.omid.nabavi@univie.ac.at" class="">seyed.omid.nabavi@univie.ac.at</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Dear NCL users,<br class="">I am trying to build a parallel task using<br class=""><a href="https://www.ncl.ucar.edu/Applications/task_parallelism.shtml" class="">https://www.ncl.ucar.edu/Applications/task_parallelism.shtml</a>. But I<br class="">receive the following error.<br class="">fatal: Undefined identifier: (subprocess) is undefined, can't continue.<br class="">Should I load any library for that?<br class="">Best regards,<br class=""><br class="">-- <br class="">Dr. Seyed Omid Nabavi;<br class="">University of Vienna,<br class="">Faculty of Earth Sciences, Geography and Astronomy<br class="">UZA II Althanstrasse 14 A-1010 Vienna<br class="">_______________________________________________<br class="">ncl-talk mailing list<br class=""><a href="mailto:ncl-talk@ucar.edu" class="">ncl-talk@ucar.edu</a><br class="">List instructions, subscriber options, unsubscribe:<br class="">http://mailman.ucar.edu/mailman/listinfo/ncl-talk<br class=""></div></div></blockquote></div><br class=""><div class="">
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