my shell functions

.zshrc

function today () {
  TODAYSTR=$(date "+%Y-%m-%d.txt")
  if [ -f $TODAYSTR ];
  then
    vim +3 $TODAYSTR
  else
    date "+%B %d, %Y" > $TODAYSTR
    echo "" >> $TODAYSTR
    echo "" >> $TODAYSTR
    echo "" >> $TODAYSTR
    vim -c 'startinsert' +3 $TODAYSTR
  fi
}

function update () {
  softwareupdate --install --all
  (brew update && brew upgrade && brew cleanup && brew doctor)
  mas upgrade
  npm update -g
  (pip3 list --outdated --format=freeze | grep -v '^\-e' | cut -d = -f 1  | xargs -n1 pip3 install -U)
  (gem update --system && gem update && gem cleanup)
  upgrade_oh_my_zsh
  (cd ~/.vim_runtime && git pull --rebase)
}