My bashrc

# Not all of these are original ideas, but these are commands I actually like :)

cl()
{
  # change directory then view its contents in one step
  if [ -z $2 ]
  then
    cd $1 && ls -lah
  else
    cd $1 && ls $2
  fi
}

fliptable() {
  # Taken from https://twitter.com/climagic/status/370595711483514880
  # Example usage:
  # gpg --verify file.sig file || fliptable
  echo "（╯°□°）╯ ┻━┻";
}
function fuck() {
  # Example usage: `fuck you java`
  killall -9 $2;
  if [ $? == 0 ]
  then
    echo
    echo " (╯°□°）╯︵$(echo $2|flip &2>/dev/null)"
    echo
  fi
}

banip() {
  if [ -z $1 ]
  then
    echo "Parameter not passed."
  else
    iptables -A INPUT -s $1 -j DROP
    iptables -A OUTPUT -d $1 -j DROP
    echo "$1 banned."
    #If you get an error, switch the comment out below
    #/etc/init.d/iptables save
    iptables-save
  fi
}
#usage: banip XX.XX.XX.XX
# Blocks incoming and outgoing connections to a given IP or subnet

function git-branch-name {
  git symbolic-ref HEAD 2>/dev/null | cut -d"/" -f 3
}
function git-branch-prompt {
  local branch=`git-branch-name`
  if [ $branch ]; then printf " [%s]" $branch; fi
}
PS1="\e[38;5;154m\u@\h\e[0m \[\033[0;36m\]\W\[\033[0m\]\[\033[0;32m\]\$(git-branch-prompt)\[\033[0m\] \$ "