Meld: associate file extension with language syntax highlighting

Question

I use meld for graphical diff comparisons.

I would like to associate .tpp as a C++ source file for syntax highlighting purposes.

How do I do this?

score 4 · Accepted Answer · answered Oct 01 '18 at 18:32

4

Meld uses the Gnome project's GtkSourceView component for syntax highlighting.

In order to change the file associations, edit the following file:

/usr/share/gtksourceview-3.0/language-specs/cpp.lang

Edit the "globs" section under language/metadata/property and add ;*.tpp

<property name="globs">*.cpp;*.cxx;*.cc;*.C;*.c++;*.tpp</property>
                                                 ^^^^^^

answered Oct 01 '18 at 18:32

Steve Lorimer

Is that still the case for Meld 3.18.0? Asking because /usr/share/gtksourceview-3.0/language-specs/javascript.lang lists *.js;*.node in the globs, yet Meld highlights .mjs files just fine. – Dan Dascalescu Jan 09 '19 at 02:44
I'm using Meld on Windows but found this question while looking for the same info. For Windows users, these files are in C:\Program Files (x86)\Meld\share\gtksourceview-3.0\language-specs (for Meld 3.20.4). – kwc Oct 16 '21 at 01:22

score 3 · Answer 2 · answered Aug 09 '19 at 21:47

You can create custom lang files in

~/.local/share/gtksourceview-3.0/language-specs/

If the directory does not already exist, you can create it. Then copy the lang file you want to use as a template from

/usr/share/gtksourceview-3.0/language-specs/

2 Answers2