software catalog

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+---
+title: "difftastic"
+category: "Developer tools"
+tagline: "A diff tool that understands code syntax, so it shows what really changed."
+source: "pacman"
+package: "difftastic"
+command: "difft"
+website: "https://difftastic.wilfred.me.uk/"
+code: "https://github.com/Wilfred/difftastic"
+---
+
+## What it is
+
+difftastic compares files by their structure rather than line by line. It parses the code for dozens of languages, so a reformatted or re-indented block isn't shown as changed, and moved or wrapped code is matched up correctly. Results are shown side by side with syntax highlighting.
+
+## Why it's here
+
+- **Less noise.** Formatting changes don't hide the real ones.
+- **Works with Git.** Use it as Git's diff tool for any command that shows a diff.
+
+## On CoreDesktop
+
+difftastic is installed from pacman as the `difft` command. CoreDesktop doesn't make it Git's default diff tool; to use it for one command:
+
+```
+GIT_EXTERNAL_DIFF=difft git diff
+```
+
+`update` keeps it current with the rest of the pacman packages.