password.sh

# autocompletion for bash from homebrew
if [ -f $(brew --prefix)/etc/bash_completion ]; then
  . $(brew --prefix)/etc/bash_completion
fi

# generate a 3-character password section
_pw_section() {
  env LC_CTYPE=C tr -dc "a-zA-Z0-9" < /dev/urandom | head -c 3
}

_pw_full() {
  echo -n "$(_pw_section)-$(_pw_section)-$(_pw_section)-$(_pw_section)"
}

# generate a Safari style password
password() {
  local usage="NAME
  password

USAGE
  password
    Generate a password on the command line in Safari format
    (four groups of three alphanumerics, dash separated)
    e.g. OVt-5mH-bLn-oGh
  password -c, --copy
    Generate a password and copy it to the pasteboard"

  if [ ! -z "$1" ]; then
    if [ "$1" == "-c" ] || [ "$1" == "--copy" ] ; then
        echo -n "$(_pw_full)" | pbcopy
        return 0
    else
      echo "$usage"
      return 0
    fi
  fi
  echo "$(_pw_full)"
  return 0
}