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Old 01-04-2013, 07:39 PM   #1
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symlinking with source directory structure

I have downloaded a utility which I have put in /opt. Now, rather than put /opt/myutil/bin/ in my PATH, I prefer to symlink from /usr/local/bin/myutility.
The only problem I get is that the utility looks for files relative to where it has been launched from, so in this case it is /usr/local/bin rather than /opt/myutil/bin.

Is there any way I can get the symlink to look as though it has been launched from the source rather than the target?
Old 01-04-2013, 10:40 PM   #2
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You can store the utility in /usr/local/bin/ (source directory) and then create a symlink of it in /opt/myutil/bin (i.e. target directory) OR in your home directory, like this:
cd /opt/myutil/bin
ln -s /usr/local/bin/myutility myutility
OR To add a symlink in home dir:
cd /home/username
ln -s /usr/local/bin/myutility myutility
Then, in /opt/myutil/bin or /home/username, using ls -l you will see something like:-
...... myutility -> /usr/local/bin/myutility
And you can then invoke myutility while residing in /opt/myutil/bin or in /home/username dir. and you won't need to add any dir. to your PATH variable.

Last edited by shivaa; 01-05-2013 at 12:10 AM. Reason: Info added
Old 01-05-2013, 10:25 AM   #3
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Your utility might have an environment variable to control this (eg: ORACLE_HOME, JAVA_HOME, MOZILLA_HOME). Consult the manual. If it is so, create a script like this:

$ cat /usr/local/bin/myutil
export MYUTIL_HOME='/opt/myutil'
exec "$MYUTIL_HOME/bin/myutility"


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