edit in emacs for mac os x

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#!/bin/sh
osascript -e 'tell application "Emacs" to activate'
until [ -z "$1" ]; do
  filename="$1"
  if (echo $filename | grep : > /dev/null); then
    linenumber="+"${filename#*:}
    filename=${filename%:*}
  else
    linenumber=""
  fi

  until ( /Applications/Emacs.app/Contents/MacOS/bin/emacsclient -n $linenumber "$filename" 2> /dev/null ); do
    printf .
    sleep 1
  done
  shift
done
echo