diff --git a/spec/app/project-spec.coffee b/spec/app/project-spec.coffee
index 15ef5e7b5..97bace5eb 100644
--- a/spec/app/project-spec.coffee
+++ b/spec/app/project-spec.coffee
@@ -106,3 +106,15 @@ describe "Project", ->
       project.getFilePaths().done (paths) ->
         expect(paths).not.toContain('a')
         expect(paths).toContain('b')
+
+  describe ".scan(options, callback)", ->
+    describe "when called with a regex", ->
+      fit "calls the callback with all regex matches in all files in the project", ->
+        matches = []
+        project.scan regex: /a+/, ({path, match, range}) ->
+          matches.push({path, match, range})
+
+        expect(matches[0]).toEqual
+          path: project.resolve('a')
+          match: 'aaa'
+          range: [[0, 0], [0, 3]]
diff --git a/spec/fixtures/dir/a b/spec/fixtures/dir/a
index e69de29bb..9bda1cbd0 100644
--- a/spec/fixtures/dir/a
+++ b/spec/fixtures/dir/a
@@ -0,0 +1,2 @@
+aaa bbb
+cc aa cc
diff --git a/spec/fixtures/dir/b b/spec/fixtures/dir/b
index e69de29bb..f2c4fd35c 100644
--- a/spec/fixtures/dir/b
+++ b/spec/fixtures/dir/b
@@ -0,0 +1 @@
+aaa ccc
diff --git a/src/app/project.coffee b/src/app/project.coffee
index 40ddfc523..689a1beab 100644
--- a/src/app/project.coffee
+++ b/src/app/project.coffee
@@ -6,6 +6,7 @@ Buffer = require 'buffer'
 EditSession = require 'edit-session'
 EventEmitter = require 'event-emitter'
 Directory = require 'directory'
+ChildProcess = require 'child-process'
 
 module.exports =
 class Project
@@ -126,4 +127,16 @@ class Project
   bufferWithPath: (path) ->
     return editSession.buffer for editSession in @editSessions when editSession.buffer.getPath() == path
 
+  scan: ({regex}, callback) ->
+    command = "grep --null --perl-regexp --with-filename --line-number --recursive --regexp=#{regex.source} #{@getPath()}"
+    ChildProcess.exec command, bufferLines: false, stdout: (data) ->
+       for grepLine in data.split('\n') when grepLine.length
+         nullCharIndex = grepLine.indexOf('\0')
+         colonIndex = grepLine.indexOf(':')
+         path = grepLine.substring(0, nullCharIndex)
+         row = parseInt(grepLine.substring(nullCharIndex + 1, colonIndex)) - 1
+         line = grepLine.substring(colonIndex + 1)
+
+         console.log path, row, line
+
 _.extend Project.prototype, EventEmitter
diff --git a/src/stdlib/child-process.coffee b/src/stdlib/child-process.coffee
index e8885a7a2..f22cc09a9 100644
--- a/src/stdlib/child-process.coffee
+++ b/src/stdlib/child-process.coffee
@@ -14,6 +14,7 @@ class ChildProccess
       options.stderr = @bufferLines(options.stderr) if options.stderr
 
     $native.exec command, options, (exitStatus, stdout, stderr) ->
+      console.log exitStatus
       if exitStatus != 0
         error = new Error("Exec failed (#{exitStatus}) command '#{command}'")
         error.exitStatus = exitStatus