@abcdw @otterz No problem!

(define (read-all-chars-as-string in-port)
  (let ((out-port (open-string-port)))
    (let loop ()
      (if (char-ready? in-port)
          (begin
            (write-char (read-char in-port) out-port)
            (loop))
          (get-output-string out-port)))))