find . -name \*.txt -type f -exec /Users/ruess/Downloads/pandoc-2.7.2/bin/pandoc -f mediawiki -t markdown -o {}.md {} \;
then replace all .txt.md files by .txt
and finally run git mv on all .txt files to convert to .md files

scattering/prepare.md

+###### Source and main files {#source_and_main_files}
+
+` * `[`folder`` ``for`` ``kkrflex`](scattering:folder_kkrflex "wikilink")\
+` * `[`inputcard`` ``for`` ``kkrflex`](fermi_surface:inputcard_kkrflex "wikilink")\
+` * `[`inputFS`` ``for`` ``scattering`](scattering:inputFS_pkkr "wikilink")