[Wien] Error while running the command ./siteconfig_lapw during installation of WIEN2k code

[Gavin Abo]

In the terminal, type the command [1]: locale

Is LC_NUMERIC set to en_US.UTF-8?  If Linux is installed with a language 
other than English, the WIEN2k scripts like siteconfig_lapw sometimes 
don't run properly.

The "if: Expression Syntax" can happen if one side of the operator in an 
if statement is passed a bad value [2].  The siteconfig_lapw has many if 
statements.  So you should try to narrow down which of the if statements 
is causing your particular issue:

After running ./siteconfig_lapw, check the terminal to see if it shows 
anything before or after the "if: Expression Syntax" error, because any 
input or output that occurs at that time should help pinpoint where the 
problem occurs.  If nothing is shown in the terminal, you could also try 
to get more information so that you could troubleshoot the problem by 
using the verbose switch (-v) with the script [3]; for example using a 
terminal command while in the $WIENROOT directory [4,5]:

csh -v siteconfig_lapw

[1] https://help.ubuntu.com/community/Locale
[2] 
https://www.linuxquestions.org/questions/programming-9/if-expression-syntax-error-in-csh-if-statement-4175412232/
[3] 
https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg15011.html
[4] 
https://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/msg12468.html
[5] https://unix.stackexchange.com/questions/50275/how-to-debug-csh-scripts

On 1/19/2018 2:36 AM, Sourav Dey wrote:
>
> Dear Prof. Blaha and Prof. Schwarz, I have downloaded the WIEN2k 17.1 
> code and am trying to install it in a Ununtu 16.04 LTS version 
> desktop. The hardware configuration is : intel i5 quadcore processor, 
> 1TB hardisk and 8 GB RAM. I have installed gfortran compiler and csh 
> in Ubuntu. I am getting an error "if: Expression Syntax." while 
> running the command "./siteconfig_lapw". I could not proceed further. 
> Kindly help me to resolve the issue regarding the installation of the 
> code. Best regards, Sourav Kumar Dey Research Fellow Applied Nuclear 
> Physics Division Saha Institute of Nuclear Physics Kolkata-700064, India

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