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Thanks Dennis and Gus for your help,
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<div class="">addfile(s) ended up not being the issue. I found a bug further down in my code from trying convert my f variable (the output of addfile) to character data type (i.e., tochar(f)). I fixed this and everything works as it should now. Interestingly,
I am no longer getting the "file format not supported or file is corrupted" message. </div>
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Andrea Jenney<br class="">
PhD Candidate | Randall & Barnes Groups<br class="">
Colorado State University | Dept. of Atmospheric Science </div>
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<div class="">On Aug 27, 2019, at 1:55 PM, Gus Correa via ncl-talk <<a href="mailto:ncl-talk@ucar.edu" class="">ncl-talk@ucar.edu</a>> wrote:</div>
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<div class="">Hi Jenney</div>
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<div class="">1) Maybe a missing trailing "/" in the "dir" variable? <br class="">
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<div class="">This would make the file names wrong, and could explain the error message
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<div class="">Error: "warning:_NclOpenFile: Can not open file <filename> file format not supported or file is corrupted"</div>
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<div class="">2) Have you tried to add <br class="">
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<div class="">print(files) <br class="">
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<div class="">files=systemfunc(...) <br class="">
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<div class="">to check what is in the "files" variable, just to see if it is really what you want?</div>
<div class="">Once you know the "files" variable is correct, you can comment out that "print".<br class="">
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<div class="">I hope this helps,</div>
<div class="">Gus Correa</div>
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<div dir="ltr" class="gmail_attr">On Tue, Aug 27, 2019 at 2:43 PM Jenney,Andrea via ncl-talk <<a href="mailto:ncl-talk@ucar.edu" class="">ncl-talk@ucar.edu</a>> wrote:<br class="">
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<div style="overflow-wrap: break-word;" class="">All,
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<div class="">I’m getting a segmentation fault error when using addfile and addfiles to read in netcdf files. Each single file is a monthly mean (only one time step) of many variables that are resolved in space. I’ve uploaded an example file to the link, (file
is called "<a href="http://spcesm_cam5_control.cam.h0.1910-05.nc/" target="_blank" class="">spcesm_cam5_control.cam.h0.1910-05.nc</a>"): <a href="http://saddleback.atmos.colostate.edu/rr/docexch.php" target="_blank" class="">http://saddleback.atmos.colostate.edu/rr/docexch.php</a>.
Running ncl_filedump and ncl_convert2nc on the files works fine and everything looks great. The non-ncl ncview and ncdump also show that things look normal to me. My files are smaller than 400 MB each, all variables are 3D or smaller, and the largest dimension
is length 144. </div>
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<div class="">Relevant code:</div>
<div class="">(when using addfiles)</div>
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<div class=""><font face="Menlo" class="">fnameIn = dir + "spcesm_cam5_*.h0.*.nc"</font></div>
<div class=""><font face="Menlo" class="">files = systemfunc("ls "+fnameIn)<br class="">
f = addfiles(files, "r") ; </font><- Error: "warning:_NclOpenFile: Can not open file <filename> file format not supported or file is corrupted"</div>
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<div class="">(when using addfile)</div>
<div class=""><span style="font-family:Menlo" class="">fnameIn = dir + "spcesm_cam5_*.h0.*.nc"</span></div>
<div class=""><font face="Menlo" class="">files = systemfunc("ls "+fnameIn)</font></div>
<div class=""><font face="Menlo" class="">nf = dimsizes(files)</font></div>
<div class=""><font face="Menlo" class="">do ifile = 0,nf-1</font></div>
<div class=""><font face="Menlo" class=""><span class="gmail-m_-5462253519111698960Apple-tab-span" style="white-space:pre-wrap"></span>f = addfile(files(ifile), "r") ; </font><- Error: "Segmentation fault"</div>
<div class=""><font face="Menlo" class=""><span class="gmail-m_-5462253519111698960Apple-tab-span" style="white-space:pre-wrap"></span>…</font></div>
<div class=""><font face="Menlo" class="">end do</font></div>
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<div class="">Thanks in advance for your help</div>
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---<br class="">
Andrea Jenney<br class="">
PhD Candidate | Randall & Barnes Groups<br class="">
Colorado State University | Dept. of Atmospheric Science </div>
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