R.tcz
   bzip2-lib.tcz
   curl.tcz
      ca-certificates.tcz
         openssl.tcz
      libzstd.tcz
   gfortran-lib.tcz
      gcc_libs.tcz
   icu67.tcz
   liblzma.tcz
   libtirpc.tcz
   pcre2.tcz
   readline.tcz
      ncursesw.tcz