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source/_posts/dont-bootstrap-drupal-use-drush.md

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+---
+title: Don't Bootstrap Drupal, Use Drush
+date: 2013-11-19
+excerpt:
+  Avoid bootstrapping Drupal manually in your scratch files - Drush has you
+  covered!
+tags:
+  - drush
+  - drupal-planet
+  - php
+---
+
+There are times when doing Drupal development when you need to run a custom PHP
+script, maybe moving data from one field to another, that doesn't warrant the
+time and effort to create a custom module. In this scenario, it would be quicker
+to write a .php script and bootstrap Drupal to gain access to functions like
+`node_load()` and `db_query()`.
+
+To bootstrap Drupal, you would need to add some additional lines of code to the
+stop of your script. Here is an alternative way.
+
+```language-php
+<?php
+
+// Bootstrap Drupal.
+$drupal_path = $_SERVER['DOCUMENT_ROOT'];
+define('DRUPAL_ROOT', $drupal_path);
+require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
+drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
+
+// Do stuff.
+$node = node_load(1);
+```
+
+The script would need be placed in the root of your Drupal directory, and you
+would then have had to open a browser window and visit
+http://example.com/foo.php to execute it. This is where the "drush php-script"
+command (or "drush scr" for short) is useful, and can be used to execute the
+script from the command line.
+
+```language-bash
+$ drush scr foo.php
+```
+
+It also means that I no longer need to manually bootstrap Drupal, so my script
+is much cleaner.
+
+```language-php
+// Just do stuff.
+$node = node_load(1);
+```
+
+I prefer to keep these scripts outside of my Drupal directory in a separate
+"scripts" directory (with Drupal in a "drupal" directory on the same level).
+This makes it easier to update Drupal as I don't need to worry about
+accidentally deleting the additional files. From within the drupal directory, I
+can now run the following command to go up one level, into the scripts directory
+and then execute the script. Note that you do not need to include the file
+extension.
+
+```language-bash
+$ drush scr ../scripts/foo
+```
+
+Or, if you're using
+[Drush aliases](http://deeson-online.co.uk/labs/drupal-drush-aliases-and-how-use-them 'Drupal, Drush aliases, and how to use them'):
+
+```language-bash
+$ drush @mysite.local scr foo
+```
+
+If you commonly use the same scripts for different projects, you could also
+store these within a separate Git repository and checkout the scripts directory
+using a
+[Git submodule](http://git-scm.com/book/en/Git-Tools-Submodules 'Git Submodules').