case $- in
*i*)
# interactive shell
- alias ls='ls --color=auto'
+ ls --color /tmp &>/dev/null && alias ls='ls --color=auto'
alias mv='mv -i'
alias vi='vim'
alias wget='wget --user-agent="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)"'
# non-interactive shell
;;
esac
+
+# Perturb malloc so that we spot bugs quicker!
+export MALLOC_PERTURB_=$(($RANDOM % 255 + 1))