<prompt> Programu ya Ruby inapaswa kusoma faili ya maandishi ya kawaida na kuangalia kama ina matukio yoyote ya neno maalum. programu inapaswa kuchochea mtumiaji kuingiza jina la faili na neno la kutafuta. kisha inapaswa kuonyesha idadi ya matukio ya neno na mistari ambayo inaonekana. programu inapaswa kutumia usemi wa kawaida ili kuhakikisha neno linalingana kwa usahihi, bila kujali capitalization au punctuation.  <response>: Kulingana na mfano huu, kitambulisho hutumiwa kuelezea kitambulisho kama kitambulisho, kitambulisho kama kitambulisho, kitambulisho kama kitambulisho, kitambulisho kama kitambulisho, kitambulisho kama kitambulisho, kitambulisho kama kitambulisho, kitambulisho kama kitambulisho, kitambulisho kama kitambulisho kama kitambulisho, kitambulisho kama kitambulisho kama kitambulisho, kitambulisho kama kitambulisho kama kitambulisho, kitambulisho kama kitambulisho kama kitambulisho kama kitambulisho, kitambulisho kitambulisho kama kitambulisho kama kitambulisho kama kitambulisho kama kitambulisho kama kitambulisho kama 