I'm running under Snow Leopard 10.6.8 and I recently added an environment variable which it seems to be messing my bash terminal (I guess).

What I did is add the variable DYLD_LIBRARY_PATH=/Library/PostgreSQL/9.2/lib to my .bash_profile file, which looks like this:

export PATH=/Users/Carlos/pear/bin:$PATH:/Users/Carlos/android-sdks/platforms:/Users/Carlos/android-sdks/platforms-tools:/Library/PostgreSQL/9.2/bin/
# Setting PATH for Python 2.7
# The orginal version is saved in .bash_profile.pysave
export PATH
export DYLD_LIBRARY_PATH=/Library/PostgreSQL/9.2/lib

And then run the command:

source ~/.bash_profile

So that now I can see the variable listed along with all the environment variables when I run "set" on the terminal.

The thing is I want to remove it. I've checked several forums and to be honest none of the solutions worked for me so far.

  • Can you not simply remove that line and run source ~/.bash_profile again? – wxs May 16 '13 at 16:22

unset it


The bash reference manual says

Once a variable is set, it may be unset only by using the unset builtin command.

| improve this answer | |
  • If you have saved variable in ~/.bash_profile then you need to delete it from there. For example with: nano ~/.bash_profile – mr_squall Jul 17 '18 at 16:51

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