random bash aliases

.bashrc

if which dig >/dev/null 2>/dev/null
then
        alias remoteip="dig +short myip.opendns.com @resolver1.opendns.com"
elif which curl >/dev/null 2>/dev/null
then
        alias remoteip="curl http://ipecho.net/plain"
fi
function localip()
{
case "$OSTYPE" in
        linux*)
                #(ip -4 -o addr show eth0|awk '{print $4}'|sed s'/\/..//g'|grep [1-9] || ip -4 -o addr show eth1|awk '{print $4}'|sed s'/\/..//g'|grep [1-9] )|cat
                hostname -I
                ;;
        darwin*)
                ipconfig getifaddr en1 || ipconfig getifaddr en0 || ipconfig getifaddr en2 || ipconfig getifaddr en3 || ipconfig getifaddr en4 || ipconfig getifaddr en5
                ;;
esac
}



alias colors='for ((x=0; x<=255; x++));do echo -e "${x}:\033[48;5;${x}mbackground\033[000m\t\033[38;5;${x}mforeground\033[000m";done'
alias allips="ifconfig -a|perl -nle '/(\d+\.\d+\.\d+\.\d+)/ && print \$1'"
function mkcd() { mkdir "$1" && cd "$1"; }
function :wq()
{
        kill -9 $$
}
function alert()
{
case "$OSTYPE" in
        linux*)
                if [ -n "$SSH_CLIENT" ]
                then
                        echo -e "Shell Alert: \a\n$1"
                else
                        if [ -n "$DISPLAY" ]
                        then
                                zenity --title 'Alert' --text "$1" --warning
                        else
                                echo -e "Shell Alert: \a\n$1"
                        fi
                fi
                ;;
        darwin*)
                if [ -n "$SSH_CLIENT" ]
                then
                        echo -e "Shell Alert: \a\n$1"
                else
                        say "$1"
                fi
                ;;

esac
}