Comment 9 for bug 376425

I have tested with suggested "$_" it not working for bash, dash, but for zsh it is works fine.

% /home/val/test/eucarc_bash_zsh_test/test_bash
/home/val/test/eucarc_bash_zsh_test/test_bash
/home/val/test/eucarc_bash_zsh_test
/home/val/test/eucarc_bash_zsh_test/euca2-admin-c8a78b6b-cert.pem

val@comp /tmp % /home/val/test/eucarc_bash_zsh_test/test_zsh
/home/val/test/eucarc_bash_zsh_test/.euca/eucarc
/home/val/test/eucarc_bash_zsh_test/.euca
/home/val/test/eucarc_bash_zsh_test/.euca/euca2-admin-c8a78b6b-cert.pem

val@comp /tmp % /home/val/test/eucarc_bash_zsh_test/test_dash
/home/val/test/eucarc_bash_zsh_test/test_dash
/home/val/test/eucarc_bash_zsh_test
/home/val/test/eucarc_bash_zsh_test/euca2-admin-c8a78b6b-cert.pem

From my point of view in dash scripts user can add variable in script EUCA_KEY_DIR explicitly.