some osascript

focusmacvim

#!/bin/sh
osascript <<END
tell application "MacVim"
  activate
end tell
END

iterm2.scpt

 tell application "iTerm"
  tell current window
    set oldtab to the current tab
    set newTab to (create tab with default profile)
    tell current session
      set title to "ls"
      set name to "ls"
      write text "mocha /Users/chemzqm/nodejs-dev/parsefunc/test"
    end tell
    tell current tab
      close
    end tell
    select oldtab
  end tell
end tell

prompt_user.fish

function prompt_user
  echo '<----- press any key to continue ----->'
  read -p ''  -n 1 foo
  exit
end
~