Remove dependency on bash, switch to new module system and simplify code

config/ascii/gentoo

@@ -1,19 +1,19 @@
 #/5;7;13;69
-${C1}         -/oyddmdhs+:.
-     -o${C2}dNMMMMMMMMNNmhy+${C1}-`
-   -y${C2}NMMMMMMMMMMMNNNmmdhy${C1}+-
- `o${C2}mMMMMMMMMMMMMNmdmmmmddhhy${C1}/`
- om${C2}MMMMMMMMMMMN${C1}hhyyyo${C2}hmdddhhhd${C1}o`
-.y${C2}dMMMMMMMMMMd${C1}hs++so/s${C2}mdddhhhhdm${C1}+`
- oy${C2}hdmNMMMMMMMN${C1}dyooy${C2}dmddddhhhhyhN${C1}d.
-  :o${C2}yhhdNNMMMMMMMNNNmmdddhhhhhyym${C1}Mh
-    .:${C2}+sydNMMMMMNNNmmmdddhhhhhhmM${C1}my
-       /m${C2}MMMMMMNNNmmmdddhhhhhmMNh${C1}s:
-    `o${C2}NMMMMMMMNNNmmmddddhhdmMNhs${C1}+`
-  `s${C2}NMMMMMMMMNNNmmmdddddmNMmhs${C1}/.
- /N${C2}MMMMMMMMNNNNmmmdddmNMNdso${C1}:`
-+M${C2}MMMMMMNNNNNmmmmdmNMNdso${C1}/-
-yM${C2}MNNNNNNNmmmmmNNMmhs+/${C1}-`
-/h${C2}MMNNNNNNNNMNdhs++/${C1}-`
-`/${C2}ohdmmddhys+++/:${C1}.`
+%1         -/oyddmdhs+:.
+     -o%2dNMMMMMMMMNNmhy+%1-`
+   -y%2NMMMMMMMMMMMNNNmmdhy%1+-
+ `o%2mMMMMMMMMMMMMNmdmmmmddhhy%1/`
+ om%2MMMMMMMMMMMN%1hhyyyo%2hmdddhhhd%1o`
+.y%2dMMMMMMMMMMd%1hs++so/s%2mdddhhhhdm%1+`
+ oy%2hdmNMMMMMMMN%1dyooy%2dmddddhhhhyhN%1d.
+  :o%2yhhdNNMMMMMMMNNNmmdddhhhhhyym%1Mh
+    .:%2+sydNMMMMMNNNmmmdddhhhhhhmM%1my
+       /m%2MMMMMMNNNmmmdddhhhhhmMNh%1s:
+    `o%2NMMMMMMMNNNmmmddddhhdmMNhs%1+`
+  `s%2NMMMMMMMMNNNmmmdddddmNMmhs%1/.
+ /N%2MMMMMMMMNNNNmmmdddmNMNdso%1:`
++M%2MMMMMMNNNNNmmmmdmNMNdso%1/-
+yM%2MNNNNNNNmmmmmNNMmhs+/%1-`
+/h%2MMNNNNNNNNMNdhs++/%1-`
+`/%2ohdmmddhys+++/:%1.`
   `-//////:--.