zsh/rc/verify_nano_rw.rc

nano () {
  if [ -f "$1" ]; then
    if [ -w "$1" ]; then
      command nano $*
    else
      echo "Unwritable file, openning through sudoedit"
      VISUAL=nano command sudoedit $(realpath $*)
    fi
  else
    if [ -d "`dirname \"$1\"`" ]; then
      if [ -w "`dirname \"$1\"`" ]; then
        command nano $*
      else
        echo "Unwritable file, openning through sudoedit"
        VISUAL=nano command sudoedit $*
      fi
    else
      echo "Unexpected result..."
      read
      command nano $*
    fi
  fi
}

vim () {
  if [ -f "$1" ]; then
    if [ -w "$1" ]; then
      command vim $*
    else
      echo "Unwritable file, openning through sudoedit"
      VISUAL=vim command sudoedit $(realpath $*)
    fi
  else
    if [ -d "`dirname \"$1\"`" ]; then
      if [ -w "`dirname \"$1\"`" ]; then
        command vim $*
      else
        echo "Unwritable file, openning through sudoedit"
        VISUAL=vim command sudoedit $*
      fi
    else
      echo "Unexpected result..."
      read
      command vim $*
    fi
  fi
}