I am new to grass and could really use some help with my problem.

I am using hydrologic modeling software, and it include a grass program that I need to run from the grass shell. My question is, how do I get the grass shell to recognize/run the program? The program is in the folder "/home/rowan/RHESSys/bin". I have tried to modify the .grassrc6 file, but that does not seem to work.

In the grass shell, the results of g.gisenv:


Even so, when I type the name of the program "g2w" the grass shell cannot find it, even though it is in the PATH variable.

What am I doing wrong?

The output of ls -la /home/rowan/RHESSys/bin is:

total 3872
drwxr-xr-x 2 rowan rowan    4096 Aug 11 12:29 .
drwxr-xr-x 7 rowan rowan    4096 Aug  7 14:39 ..
-rwxr-xr-x 1 rowan rowan  186476 Aug 11 12:02 cf10.0b2
-rwxr-xr-x 1 rowan rowan   37219 Aug  7 14:52 g2w
-rwxr-xr-x 1 rowan rowan   83094 Aug 11 12:29 lairead
-rwxr-xr-x 1 rowan rowan   32292 Aug 11 11:54 rat
-rwxr-xr-x 1 rowan rowan 3607040 Aug  7 14:50 rhessys5.18

My .bashrc file has:

export 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/home/rowan/modflow2005/Unix/src:/home/rowan/RHESSys/bin'
export 'GISBASE=/usr/lib/grass64'


  • please add the output of "ls -la /home/rowan/RHESSys/bin" to your posting. In general it is better to add the path to $PATH (e.g. in your .bashrc file if you use bash) rather than editing .grassrc6. – markusN Jan 9 '15 at 7:17
  • I have updated the question to include the requested output and I have included the .bashrc export for my path variable. – Rowan_Gaffney Jan 9 '15 at 12:28
  • Of course you restarted your GRASS session? And with "grass shell" you mean the shell terminal in which GRASS is running? – markusN Jan 10 '15 at 15:45
  • Yes, in the shell terminal grass is running and I did restart the grass session – Rowan_Gaffney Jan 14 '15 at 11:47
  • Can you run successfully (with full path): /home/rowan/RHESSys/bin/g2w ? – markusN Jan 14 '15 at 20:25

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