Seing how there has been a number of questions about editing the
environment recently, I remembered I made a function that some might
find useful. It allows you to edit the environment of the current shell
in an editor - the value of EDIT is used as the name of the editor, or
vi if it isn't set. It's a very simple function and somebody could
probably add some bells and whistles, but it works very well as it is.
Just run the following (eg. from your .profile) - the command to run to
edit the environment is 'envi':
# Edit the environment in an editor. This function dumps all
# environment variables into a file .env in the users home
# directory and opens this file with an editor. The editor is
# vi by default, but another editor can be specified in the
# environment variable EDIT. When the editor exits, the variables
# are all reexported.
function envi
{
env > ~/.env
if [[ -n $EDIT ]] && [[ -x $EDIT ]]
then
eval $EDIT ~/.env
else
vi ~/.env
fi
while read l
do
if (eval export '"$l"' 2> /dev/null)
then
eval export '"$l"'
fi
done < ~/.env
}
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