POSIX Shell compatibility. 3.0

Rewrite in POSIX Shell

Author: q60

README.rst

@@ -2,7 +2,7 @@ disfetch |lang| |aur| |nix|
 ========
 
 Yet another **\*nix** distro fetching program, but less complex. Written
-in **bash**.
+in **POSIX shell**.
 
 Table of contents
 -----------------
@@ -110,7 +110,7 @@ Usage
 .. |screenshot 3| image:: https://i.imgur.com/HmZu33J.jpg
 .. |screenshot 4| image:: https://i.imgur.com/vS4GmTw.jpg
 .. |screenshot 5| image:: https://i.imgur.com/bsxtnBf.jpg
-.. |lang| image:: https://img.shields.io/badge/-bash-4CAA20?style=for-the-badge&logo=windowsterminal
+.. |lang| image:: https://img.shields.io/badge/-shell-4CAA20?style=for-the-badge&logo=windowsterminal
 .. |aur| image:: https://img.shields.io/aur/version/disfetch?logo=archlinux&style=for-the-badge
   :target: https://aur.archlinux.org/packages/disfetch/
 .. |nix| image:: https://img.shields.io/badge/Nix-disfetch-4F73BC?style=for-the-badge&logo=nixos