# Chapter 14 Problems

**URL:** <https://forums.kodeco.com/t/chapter-14-problems/31374>\
**Category:** Advanced Apple Debugging\
**Created:** [June 24, 2017, 8:22pm UTC](https://forums.kodeco.com/t/chapter-14-problems/31374 "2017-06-24T20:22:51Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![stubess](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/stubess/32/81494_2.png) [@stubess](https://forums.kodeco.com/u/stubess)\
**Post date:** [June 24, 2017, 8:22pm UTC](https://forums.kodeco.com/t/chapter-14-problems/31374/1 "2017-06-24T20:22:51Z")

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The following code on page 173 does not work for me. Any Suggestions?

command regex ls ‘s/(.+)/po @import Foundation; [[NSFileManager defaultManager] contentsOfDirectorAtPath:@“%1” error:nil]/’