2011/3/27 Joachim Breitner mail@joachim-breitner.de:
No, this line is safe with $ fgrep -qx "$USER" present
Thanks to the quotes around $USER, the `...` part would not be executed.
Hmm... you are right. Bash seems enclose variable expansions with single quotes by default in case the value contains special characters nowadays. See:
Binand