improvement: radix to single-byte prefixes

src/sh/cache.sh

@@ -42,14 +42,14 @@ fi
 #
 # @argument $1: some string
 __radix() {
-  echo "$1" | awk -F "" '{ print $1$2$3$4"/"$5$6$7$8"/"$0 }'
+  echo "$1" | awk -F "" '{ print $1$2"/"$3$4"/"$0 }'
 }
 
 # Radix transform strings (batch)
 #
 # Here, the input is read line-by-line from stdin.
 __radix_batch() {
-  cat | awk -F "" '{ print $1$2$3$4"/"$5$6$7$8"/"$0 }'
+  cat | awk -F "" '{ print $1$2"/"$3$4"/"$0 }'
 }
 
 # Super wrapper to print json data from cache