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Terminal language and software


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FJG1193

 
Member Since: Oct 01, 2012
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Hello, so I tried downloading a program from MIT's Professor Drela's website called AVL, it tells me if my airplane design is stable or not. Any way here are the instructions that came with it...

Instructions

1. copy the avl file in the /usr/bin folder typing in the terminal the following command:

sudo mv avl /usr/bin

2. edit the .profile_bash by typing in the terminal:

cd ~
open .bash_profile

and add the line

export PATH=/usr/local/binPATH

save&close

3. to run the program with the plot options you must run it in the X11 by typing avl

However, I just clicked and dragged the execution file to my bin folder and created a .bash_profile because I didnt have one and the 'export PATH' code didnt work. I keep getting the message:

Last login: Mon Oct 1 14:18:51 on ttys000
mobile-192-17-228-25:~ franciscogonzalez$ /usr/bin/avl ; exit;
dyld: Library not loaded: /usr/local/lib/libg2c.0.dylib
Referenced from: /usr/bin/avl
Reason: image not found
Trace/BPT trap: 5
logout

[Process completed]

everytime i try to run it.

WHAT DOES THIS MEAN??? AND HOW CAN I FIX IT??

Thanks
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vansmith

 
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Member Since: Oct 19, 2008
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libg2c.0.dylib is not installed by default (at least not to /usr/local/lib/). libg2c appears to be part of GNU Fortran (see here) so I imagine that installing GNU Fortran would solve this problem which won't be easy. If the instructions really didn't outline that you needed this, they're incomplete. Where did you get these from?

I've also noticed that it's asking you to add /usr/local/bin to your PATH which should be there anyway. You wouldn't need to do this anyway since you add the binary to /usr/bin/. Who wrote these instructions?

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FJG1193

 
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The instructions just came with the download. I emailed Professor Drela, and he said he didn't write the Mac version of his program. So really, I've hit a dead end.
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vansmith

 
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The application may very well work but it might take a bit of work to get going. If you can, I'd find a suitable replacement. Otherwise, prepare yourself to fight with the application to get it working.

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