Open file in emacsclient with optional line number. Start emacs if it's not running yet

open-in-emacs.sh

#!/bin/bash

result=0
if [[ $# == 1 ]]; then
    /Applications/Emacs.app/Contents/MacOS/bin/emacsclient -n "$1" || result=$?
elif [[ $# == 2 ]]; then
    /Applications/Emacs.app/Contents/MacOS/bin/emacsclient -n +"$2" "$1" || result=$?
else
    echo Unexpected args
    exit 1
fi

# Didn't work? Let's start emacs first

if [[ $result != 0 ]]; then
    echo Starting new Emacs...
    open -a Emacs
    for i in `seq 50`; do
        result=0
        /Applications/Emacs.app/Contents/MacOS/bin/emacsclient -e "(+ 1 2)" >/dev/null 2>&1 || result=$?
        if [[ $result == 0 ]]; then
            break
        fi
        sleep 0.1
    done
fi

# Rerun initial command

result=0
if [[ $# == 1 ]]; then
    /Applications/Emacs.app/Contents/MacOS/bin/emacsclient -n "$1" || result=$?
elif [[ $# == 2 ]]; then
    /Applications/Emacs.app/Contents/MacOS/bin/emacsclient -n +"$2" "$1" || result=$?
else
    echo Unexpected args
    exit 1
fi