Call synchronous fs methods using the Sync variants

Cakefile

@@ -136,7 +136,7 @@ task 'build:parser', 'rebuild the Jison parser (run build first)', ->
   helpers.extend global, require('util')
   require 'jison'
   parser = require('./lib/coffee-script/grammar').parser
-  fs.writeFile 'lib/coffee-script/parser.js', parser.generate()
+  fs.writeFileSync 'lib/coffee-script/parser.js', parser.generate()
 
 task 'build:browser', 'rebuild the merged script for inclusion in the browser', ->
   code = ''

src/repl.coffee

@@ -108,7 +108,7 @@ addHistory = (repl, filename, maxSize) ->
     readFd = fs.openSync filename, 'r'
     buffer = new Buffer(size)
     fs.readSync readFd, buffer, 0, size, stat.size - size
-    fs.close readFd
+    fs.closeSync readFd
     # Set the history on the interpreter
     repl.rli.history = buffer.toString().split('\n').reverse()
     # If the history file was truncated we should pop off a potential partial line
@@ -123,10 +123,10 @@ addHistory = (repl, filename, maxSize) ->
   repl.rli.addListener 'line', (code) ->
     if code and code.length and code isnt '.history' and code isnt '.exit' and lastLine isnt code
       # Save the latest command in the file
-      fs.write fd, "#{code}\n"
+      fs.writeSync fd, "#{code}\n"
       lastLine = code
 
-  repl.on 'exit', -> fs.close fd
+  repl.on 'exit', -> fs.closeSync fd
 
   # Add a command to show the history stack
   repl.commands[getCommandId(repl, 'history')] =

test/error_messages.coffee

@@ -83,7 +83,7 @@ if require?
                       ^^
       """
     finally
-      fs.unlink 'test/syntax-error.coffee'
+      fs.unlinkSync 'test/syntax-error.coffee'
 
 
 test "#1096: unexpected generated tokens", ->