Mac OS: index source code #

A few weeks ago I posted how to make Mac OS Spotlight index source code. Mac OS is already indexing my C, C++, ObjC, Java, Fortran, Shell, Python, Perl, Ruby, Pascal, Ada, Javascript, and HTML files, but it doesn't get the other languages and text files I use. Here's the followup post.

Problem to solve: I want to search the contents of *.css and other text files with Spotlight.

In my previous blog post, I went into the Spotlight configuration file and told it to index certain file types like dyn.ah62d4rv4ge80e8drru, which I had determined was *.css. This wasn't satisfying. Instead of telling Spotlight, I wanted a solution at the Mac OS level.

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Emacs: Find files anywhere #

Update: [2017-12-29] See the update for 2017

A typical way to use Emacs is to open lots of files as buffers. In the default Emacs setup, the command to switch to a file depends on whether the file is open:

  File Non-file
Opened C-x b
Not opened C-x f N/A

I don't want to have to remember whether a file is open. Instead, I want the command to depend on whether I'm switching to a file or a non-file. I also want to find files without having to switch folders first, because I work on lots of small projects in different folders. I use these bindings:

  File Non-file
Opened Cmd T C-x b
Not opened N/A

In a previous post, I described my previous attempt, using helm-for-files to open files from many different directories, using locate (mdfind on Mac). As part of that, I improved my Mac OS mdfind setup to include all my text files. I was hoping that I could make mdfind fast and precise enough that I'd use it all the time. Unfortunately I couldn't get the queries to run faster than 300 milliseconds, and it didn't feel fast enough to run on every keystroke. There are other emacs packages to do this but I ended up with my own custom setup to make this: