unique_paths.sh

#!/usr/bin/env bash

filter="$1"
shift

jq -r '
def normalise:
  . as $in
  | if type == "number" then
    "[]" 
  else 
    .
  end;

paths 
| map(normalise) 
| select(.[-1] | tostring | test($filter; "i")) 
| join("->")
' --arg filter "$filter" "$@" | sort | uniq -c | sort -n -r