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Old 06-25-2012, 02:31 PM   #1
Jobin1
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Making a program executable from any directory with one command


Hello,
I am working on making a program executable with one command (more specifically, the program is MATLAB). I need to make it executable with just the command "matlab." I have tried making an alias with the following:

alias matlab='cd /pathway_to_matlab | ./matlab'

but the error I get is:
-bash: ./matlab: No such file or directory.

How do I make an alias that both gets me to the necessary directory AND executes the command ./matlab?
 
Old 06-25-2012, 02:37 PM   #2
273
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I think just
Code:
alias matlab='/path/to/matlab/matlab'
should work.
 
Old 06-25-2012, 02:56 PM   #3
suicidaleggroll
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Several options...

Put this in your ~/.bashrc:
Code:
alias matlab='/path/to/matlab/matlab'
Or put this in your ~/.bashrc:
Code:
export PATH=${PATH}:/path/to/matlab
Or run this once (as root/sudo):
Code:
ln -s /path/to/matlab/matlab /usr/local/bin/
 
Old 06-25-2012, 02:58 PM   #4
Terminal_Cowboy
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@ Jobin1

An alias is not permanent. It is only temporary and you will lose it after closing a terminal or a reboot.

To make it permanent add the alias to your .bashrc file in your home folder.
 
Old 06-25-2012, 04:06 PM   #5
lleb
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can it be installed in /usr/bin/ if that is in the $PATH for the user?
 
Old 06-25-2012, 04:34 PM   #6
Jobin1
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This might make things much more complicated (or maybe I'm just being stupid) but I dont appear to have a .bashrc file, at least not in my home directory. when I go to 'cd /root', and then use the command 'ls -a' I can see a .bashrc file, but it is read only and this is all on a remote terminal where I don't have permission to use sudo root or edit the .bashrc file... is this just something I am going to have to deal with (making the alias every time I log into the terminal)?
 
Old 06-25-2012, 05:02 PM   #7
suicidaleggroll
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You don't want to edit root's .bashrc file, unless you'll be doing this as root. Things you change in root's .bashrc will not affect regular users.

You just need to find the login file your system uses. It could be that your system uses .bashrc, and you just don't have one yet, or it could use something else like .profile, .bash_profile, etc. Are you using the BASH shell (echo $SHELL)?
 
  


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