nix run nixpkgs#silver-searcher -- -G '\.nix$' -0l 'description.*"[Aa]n?' pkgs \ | xargs -0 nix run nixpkgs#gnused -- -i '' -Ee 's/(description.*")[Aa]n? (.)/\1\U\2/'
mainProgram
with structuredAttrs lists will be bash arrays which cannot be exported which will be a issue with some patches and some wrappers like cc-wrapper this makes it clearer that NIX_CFLAGS_COMPILE must be a string as lists in env cause a eval failure