How To Determine Directory of Sourced Bash Script

Sourcing a script can be useful for exporting variables in the current shell.

However, you can’t use “dirname $0″ to get the directory of the script.

Here’s how to get the same effect of dirname, but still allowing you to export variables.

Relative path:

DIRNAME=${BASH_ARGV[0]%/*}

Full path:

ABSDIR=$PWD/${BASH_ARGV[0]%/*}