refactor: move into a website directory
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| --- | ||||
| title: Use Regular Expressions to Search and Replace in Coda or TextMate | ||||
| date: 2010-11-04 | ||||
| excerpt: How to perform searches using regular expressions. | ||||
| tags: | ||||
|     - coda | ||||
|     - database | ||||
|     - regular-expression | ||||
|     - sequel-pro | ||||
|     - taxonomy | ||||
|     - textmate | ||||
| --- | ||||
| 
 | ||||
| As in | ||||
| [the original post](/blog/add-taxonomy-term-multiple-nodes-using-sql/ 'Quickly adding a taxonomy term to multiple nodes using SQL'), | ||||
| I'd generated a list of node ID values, and needed to add structure the SQL | ||||
| update statment formatted in a certain way. However, I changed my inital query | ||||
| slightly to out put the same nid value twice. | ||||
| 
 | ||||
| ```language-sql | ||||
| SELECT nid, nid FROM node WHERE TYPE = 'blog' ORDER BY nid ASC; | ||||
| ``` | ||||
| 
 | ||||
| Then, I could select all of the returned rows, copy the values, and paste them | ||||
| into Coda: | ||||
| 
 | ||||
| As before, I needed my SQL update statement to be in the following format: | ||||
| 
 | ||||
| ```language-sql | ||||
| INSERT INTO term_node VALUE (nid, vid, tid), (nid2, vid2, tid); | ||||
| ``` | ||||
| 
 | ||||
| As I mentioned previously, the nid and vid values are the same for each node, | ||||
| and the tid will remain constant. In this case, the tid value that I needed to | ||||
| use was '63'. | ||||
| 
 | ||||
| So, using the 'Find and Replace' function within Coda, combined with | ||||
| [regular expressions](http://en.wikipedia.org/wiki/Regular_expression) (regex), | ||||
| I can easily format the values as needed. To begin with, I need to ensure that | ||||
| the RegEx search option is enabled, and that I'm using the correct escape | ||||
| character. | ||||
| 
 | ||||
| The first thing that I wanted to do was add the seperating comma between the two | ||||
| values. To do this, I perform a search for `\s*\t`. This searches for everything | ||||
| that is whitespace AND is a tab value. I can then add the comma as the | ||||
| replacement for each result. | ||||
| 
 | ||||
| All 31 lines have been changed. | ||||
| 
 | ||||
| Next, I can use `\n` to target the lines between the rows. I'll replace it with | ||||
| the next comma, the number 63 (the tid value), the closing bracket, another | ||||
| comma, re-add the line and add the opening bracket. | ||||
| 
 | ||||
| The only two lines that aren't changed are the first and last, as they don't | ||||
| have any line breaks following them. I can complete these lines manually. Now | ||||
| all I need to do is add the beginning of the SQL update statement, then copy and | ||||
| paste it into Sequel Pro. | ||||
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