August 2012
Intermediate to advanced
624 pages
17h 11m
Polish
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3.6. Wprowadzanie odpowiedzi typu tak-nie
Problem
Musimy pobrać od użytkownika prostą odpowiedź — tak lub nie — przy zachowaniu jak największej elastyczności kodu. Zastosowane rozwiązanie nie powinno wymuszać określonej wielkości liter i powinno zapewniać dostarczenie domyślnej odpowiedzi po naciśnięciu samego klawisza Enter.
Rozwiązanie
Jeżeli działania podejmowane przez skrypt nie są skomplikowane, można wykorzystać funkcję zawierającą w sobie cały potrzebny kod:
# plik receptury: func_choose # Użytkownik może zdecydować o wyborze określonej opcji. W zależności # od odpowiedzi użytkownika skrypt wykonuje określony kod # Wywołanie: # choose <domyślna odp. (t lub n)> <monit> <działanie dla 'tak'> <działanie dla 'nie'> # np. choose "t" \ # "Czy chcesz ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.