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I was changing the bashrc file based upon the following video https://www.youtube.com/watch?v=Ipd8vkAj8Fk&t=182s but suddenly when I type sudo su I get the following error 

bash: export: `/home/mala/WRFinstall/Build_WRF/LIBRARIES/mpich/bin:/home/mala/WRFinstall/Build_WRF/LIBRARIES/netcdf/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games': not a valid identifier

I tried to edit the bashrc file by typing nano ~/.bashrc but I can't find the file I edited. I only get content of a normal bash file.

Mala Pokhrel
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    Could you add the content of the video you followed, the commands you ran at least? – M. Becerra Jun 12 '17 at 09:39
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    Why did you edit your .bashrc? Please give more information. If it is your .bashrc, why do you have to use sudo? Does the error also occur when you run source ~/.bashrc? Or did you by accident modify root's .bashrc? Test this by running sudo cat /root/.bashrc. From the error message, it seems that should read export PATH=..., but you missed the identifier "PATH". – ridgy Jun 12 '17 at 09:44
  • It appears you edited this /etc/bash.bashrc file please check that – George Udosen Jun 12 '17 at 10:17
  • Thank you @ridgy .I accidentally modified the root bashrc .when i typed 'sudo cat /root/.bashrc' i found the content i modified .I had followded the previous video and this link http://www2.mmm.ucar.edu/wrf/OnLineTutorial/compilation_tutorial.php

    #WRF environment variables export DIR=/home/mala/WRFinstall/Build_WRF/LIBRARIES export CC=gcc export CXX=g++ export FC=gfortran export CFLAGS=-m64 export F77=gfortran export FFLAGS=-m64 export PATH=$DIR/netcdf/bin:$PATH export NETCDF=$DIR/netcdf export PATH= $DIR/mpich/bin:$PATH

    How can i change it?

     – Mala Pokhrel Jun 12 '17 at 11:14
  • As you are using nano, just run sudo nano /root/.bashrc and remove the accidentially added lines. The error is the blank after PATH=; there must be no whitespace there (see the other exportstatements). – ridgy Jun 12 '17 at 11:18
  • Thanak you @ridgy . It solved my problem – Mala Pokhrel Jun 12 '17 at 11:21
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    @ridgy post that as a proper answer instead of comment – Sergiy Kolodyazhnyy Jun 12 '17 at 12:48
  • @MalaPokhrel Please add the text file content into your post. It's impossible to read in a comment. – wjandrea Jun 12 '17 at 19:01

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