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11-18-2008
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Modify Path
Hi,
This is certainly a simple question, but I have yet to receive sufficient info concerning it. I am using BASH on a Powerbook G4 running Leopard. - I would like to permanently add a directory to my path. How do I do this? - I understand that I can view my path by: echo $PATH. Is there a file where the path is displayed as well. Thank you very much for any help. Mike |
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11-18-2008
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look for file named .bash_profile in your home directory. in this file, add a line similar to:
Code:
export PATH=$PATH:/my/dir/path |
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11-18-2008
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Hi Yogesh,
I appreciate your help. Perhaps you can clear up one other path related issue. - Why modify the .bash_profile instead of the .bashrc? - Like I said I am using BASH on a Mac running Leopard. For the most part I use Terminal for my command line related work. However, sometimes I use X11 as well. I noticed that when i typed "echo $PATH" in a Terminal shell it returned a different series of directories than when I did the same in an X11 shell. I believe this is because those two programs check different environment files. Is that correct? A user in a different forum suggested that I modify my .bash_profile and .bashrc files. Can you tell what exactly is going on? Here are the contents: ##### .bash_profile: if [ -f ~/.aliases ]; then . ~/.aliases fi ulimit -Ss unlimited source /Users/msb65/seadas5.2/config/seadas.env ##### ##### .bashrc: if [ -f ~/.bash_profile ]; then . ~/.bash_profile fi ##### |
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11-18-2008
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Quote:
Quote:
Quote:
Code:
# Checks if the ~/.aliases file exists; if it does, sources it. if [ -f ~/.aliases ]; then . ~/.aliases fi # Something to do with file size limits. Mine doesn't have -Ss, so see # 'man ulimit' on your system.. ulimit -Ss unlimited # Includes some mac-specific environment variables, perhaps source /Users/msb65/seadas5.2/config/seadas.env Code:
# If .bash_profile exists, source it. if [ -f ~/.bash_profile ]; then . ~/.bash_profile fi |
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11-18-2008
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upon the start of a login shell, the bash will consult the below files in this order:
1. /etc/profile 2. ~.bash_profile 3. ~.bash_login 4. ~.profile when you start a nonlogin shell, bash consults only ~bashrc. so there is a difference between them. however, thats not to say osx is different. i'm not sure about this. this is more typical of linux/solaris. |
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