[ncl-talk] systemfunc issues in NCL Scripts

[Karin Meier-Fleischer]

Hello Amarjiit,

this is an ESMValTool problem and you should send the question to their 
mailing list.

See https://www.esmvaltool.org/user-support-and-feedback.html

-Karin

Am 20.06.18 um 09:30 schrieb Amarjiit Vikkas Pandde:
>
> Hello all,
>
> I am using ESMValTool (1.1) on Ubuntu(16.04) on Windows 10 WSL, I 
> downloaded NCL(6.4) from anaconda (Conda-forge). After ESMValTool 
> installation (clone from GitHub), I ran the test runs for SA-Monsoon, 
> which ran without any major error(fatal), I have attached the 
> screenshot below for some warnings which were thrown. Now, I am trying 
> to run other namelists and it is throwing errors in many NCL scripts 
> and after looking into the errors from each script, it is always due 
> to systemfunc command.
>
> The systemfunc command randomly returns "missing" as output to the 
> assigned variable and this causes errors in toint and logical operations.
>
> After this, I ran the test-SA-Monsoon namelists again and two of them 
> also give systemfunc related errors. So I deleted the ESMValTool 
> directory, uninstalled Ubuntu and reinstalled everything again(same 
> process). again, test runs ran fine whereas while running namelists 
> other than that the errors related to systemfunc cropped up.
>
> After searching online, I found out about default shell of Ubuntu is 
> dash and systemfunc tries to invoke Bourne shell by "/bin/sh" and in 
> the recent versions of Ubuntu /bin/sh refers to Dash instead of Bash. 
> So, I tried adding "bash -c 'cmd' " as shown on NCL website but that 
> didn't help.
> when NCL is run from the command line the same systemfunc command works.
>
> Thank you in advance
> Amarjiit Pandde
>
>
>
>
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