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It would appear that on Sep 16, Kenneth Porter did say:
> I have it identically defined in both ~/.bash_profile and ~root/.bash_profile.
> That's what's mysterious. The variable loses my mortal definition if I neglect
> to use -l on su. (And of course gets root's definition if use -l.) I'm
> suspecting that some "helpful" script is cleaning the environment when I su,
> presumably as a security measure.
Hmmnnn of course you know the ~/.bash_profile is only used for "login" shells.
An extract from a "man bash" says:
- -> When an interactive shell that is not a login shell is started, bash
- -> reads and executes commands from ~/.bashrc, if that file exists. This
- -> may be inhibited by using the --norc option. The --rcfile file option
- -> will force bash to read and execute commands from file instead of
- -> ~/.bashrc.
- ->
- -> When bash is started non-interactively, to run a shell script, for
- -> example, it looks for the variable BASH_ENV in the environment, expands
- -> its value if it appears there, and uses the expanded value as the name
- -> of a file to read and execute. Bash behaves as if the following com-
- -> mand were executed:
- -> if [ -n "$BASH_ENV" ]; then . "$BASH_ENV"; fi
- -> but the value of the PATH variable is not used to search for the file
- -> name.
A better place for it might be in your ~/.bashrc file and in what ever
file you set BASH_ENV to.
Note: If your ~/.bash_profile has something like this in it:
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
Then the ~/.bashrc settings would also be applied to login shells.
Hope this helps...
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