watcher.sh

#!/bin/bash

#runs elm-live and updates terminal title
# according to the sate of the compile

main="Eclipse"

#record profile log while running elm live
#watcher="unbuffer node --prof -- `which elm-live` ${main}.elm --output=elm.js"

#just run elm-live
watcher="unbuffer elm-live ${main}.elm --output=elm.js"

# Upon exit, set the terminal title
trap "echo -e \"\e]0;closed\a\"" EXIT

$watcher |
  while read -r line
  do
    echo "$line"

    # setting the terminal title based on status of compile
    if [[ $line =~ "failed" ]]
    then
      echo -e "\e]0;☒ failed\a"
    elif [[ $line =~ "Successfully" ]]
    then
      echo -e "\e]0;☑ succeeded\a"
    elif [[ $line =~ "Rebuilding" ]]
    then
      echo -e "\e]0;☐ rebuilding\a"
    fi


  done