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authorZhiming Wang <zmwangx@gmail.com>2015-05-04 15:03:55 -0700
committerZhiming Wang <zmwangx@gmail.com>2015-05-04 15:03:55 -0700
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diff --git a/source/blog/2015-03-22-back-up-os-x-app-icons.md b/source/blog/2015-03-22-back-up-os-x-app-icons.md
index 7f9eec4b..53c73b06 100644
--- a/source/blog/2015-03-22-back-up-os-x-app-icons.md
+++ b/source/blog/2015-03-22-back-up-os-x-app-icons.md
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---
-layout: post
title: "Back up OS X app icons"
date: 2015-03-22 16:58:50 -0700
-comments: true
-categories:
+date-display: March 22, 2015
---
OS X application icons are valuable assets, and it's interesting to see how they evolve over time. This is especially the case when we upgraded to OS X 10.10 Yosemite, when Apple and many design-aware third party developers overhauled (mainly flattened) their icons.
However, we lose all the old icons when we do a major OS upgrade. Technically they still live in Time Machine backups, but those are a pain to pull out. Therefore, I wrote a script just now to back up app icons of all applications living in `/Applications` (including those symlinked to `/Applications`, e.g., apps installed through `brew cask`) and its level-one subdirectories, and `/System/Library/CoreServices` (for `Finder.app` and such). Here's the script:
-```bash backup-app-icons
+```bash
#!/usr/bin/env bash
function app_version
{