jade watch

jadewatch.coffee

# run with 'coffee jadewatch.coffee dirname'
fs = require 'fs'

if process.argv.length < 3 
  console.log 'Aborted: arguments are too short.'
  return
else
  child_process = require('child_process')
  child_process.exec "ps", (err,stdout,stderr)->
    if stdout.indexOf("coffee jadewatch.coffee") < 0
      console.log "jade is watching " + process.argv[2]
      fs.watchFile process.argv[2], {persistent:true, interval:500}, (curr, prev)->
        return if curr.size == prev.size && curr.mtime.getTime() == prev.mtime.getTime()
        child_process.exec("jade " + process.argv[2], (err, stdout, stderr)->
          console.log stdout
          console.log stderr
        )