<div dir="ltr"><div>re: <span style="font-size:12.8000001907349px">24 X 365 X 5 (24 files per day over 5 years)</span></div><div><span style="font-size:12.8000001907349px">===============<br></span>That is 43800 files.</div><div><br></div><div>Did you look at the FAQ???</div><div><br></div><div><a href="http://www.ncl.ucar.edu/FAQ/">http://www.ncl.ucar.edu/FAQ/</a><br></div><div><br></div><div>See the "File input/output" section</div><div>Question 26</div><div><br></div><div>===============</div><div><span style="font-size:12.8000001907349px">files = systemfunc("ls wrf_1h/wrfout_d02_*") + ".nc"</span><br></div><div><span style="font-size:12.8000001907349px">nfiles = dimsizes(files)</span></div><div><span style="font-size:12.8000001907349px">print("nfiles="+nfiles)</span></div><div><br></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><pre style="margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333330154419px;line-height:16px;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent;color:rgb(51,51,51)">setfileoption("nc", "SuppressClose", False) ; READ documentation</pre><pre style="margin-top:0px;margin-bottom:0px;padding:0px;font-size:13.3333330154419px;line-height:16px;font-family:courier;border-style:solid;border-width:0px 0px 15px;border-color:transparent;color:rgb(51,51,51)"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:12.8000001907349px;line-height:normal;white-space:normal">a = addfiles (files, "r") </span><br></pre></div><div><span style="font-size:12.8000001907349px">===============</span></div><div><span style="font-size:12.8000001907349px">Do you *need* all 43800 files at one time?</span></div><div><span style="font-size:12.8000001907349px">You may have to rethink your approach.</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px"><br></span></div><h3 style="margin:16px 5px 15px 2px;padding:0px;font-size:11pt;line-height:13pt;font-family:Georgia,Times,serif;color:rgb(100,140,109)"><br></h3></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jun 25, 2015 at 1:50 AM, Rabah Hachelaf <span dir="ltr"><<a href="mailto:hachelaf@sca.uqam.ca" target="_blank">hachelaf@sca.uqam.ca</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">24 X 365 X 5 (24 files per day over 5 years)<div><br><div class="gmail_extra"><br><div class="gmail_quote">2015-06-25 3:42 GMT-04:00 Lam Hoang <span dir="ltr"><<a href="mailto:lamhpvn@gmail.com" target="_blank">lamhpvn@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">How man files do you have?<div><div class="h5"><div><div><span></span><br><br>On Thursday, June 25, 2015, Rabah Hachelaf <<a href="mailto:hachelaf@sca.uqam.ca" target="_blank">hachelaf@sca.uqam.ca</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">ulimit -n 512 does't not solve the problem<div><br></div><div>Any other advises ??</div></div><div class="gmail_extra"><br><div class="gmail_quote">2015-06-24 23:47 GMT-04:00 Lam Hoang <span dir="ltr"><<a>lamhpvn@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div>You should check the open files limit by using</div><div>ulimit -a</div><div><br></div><div>You will find parameter: open files (-n) 256 with 256 is maximum open files.</div><div>You can change this parameter with command:</div><div>ulimit -n 512</div><div><br></div><div>Hope this help.</div><div>Lam</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>On Thu, Jun 25, 2015 at 1:05 PM, Rabah Hachelaf <span dir="ltr"><<a>hachelaf@sca.uqam.ca</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr"><div class="gmail_quote"><br><div dir="ltr">Hello NCL users,<div><br></div><div>I have netcdf wrf outputs every 1h for 5 years,</div><div>i use those commands to read files : </div><div><br></div><div><div>files = systemfunc("ls wrf_1h/wrfout_d02_*") + ".nc"</div><div>a = addfiles (files, "r") </div><div>ListSetType (a, "cat ") </div></div><div><br></div><div>but i get a Segmentation fault error, </div><div>when reduce the number of read files my script works correctly.</div><div><br></div><div>Any suggestion about this issue. </div><div><br><div>Thank you </div><span><font color="#888888"><span><font color="#888888">-- <br><div><div dir="ltr"><div>------------------------------</div>Best regards,<br>Rabah Hachelaf <br> <br><br></div></div>
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<br></blockquote></div><span><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>Lam Hoang<br>Viet Nam National Center of Hydro-Meteorology Forecasting<br>National Hydro-Meteorological Services of Vietnam<br><br>PhD Candidate <br>School of Earth, Atmosphere and Environment <br>Monash University, VIC 3800<br>Mob: +84 12 1616 5258 (VN) <br> +61 4 5251 8668 (AUS)<br><br></div></div></div></div></div></div></div></div></div>
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</blockquote><br><br>-- <br><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>Lam Hoang<br>Viet Nam National Center of Hydro-Meteorology Forecasting<br>National Hydro-Meteorological Services of Vietnam<br><br>PhD Candidate <br>School of Earth, Atmosphere and Environment <br>Monash University, VIC 3800<br>Mob: +84 12 1616 5258 (VN) <br> +61 4 5251 8668 (AUS)<br><br></div></div></div></div></div></div></div></div><br>
</div></div></div></div></blockquote></div><div><div class="h5"><br><br clear="all"><div><br></div>-- <br><div><div dir="ltr"><div>------------------------------</div>Cordialement,<br>Best regards,<br>Rabah Hachelaf <br></div></div>
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