August 2012
Intermediate to advanced
624 pages
17h 11m
Polish
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10.2. Wielokrotne wykorzystanie kodu — polecenia include i source
Problem
W wielu opracowywanych skryptach posługujemy się tymi samymi instrukcjami przypisania wartości zmiennym. Aby ułatwić sobie zadanie, umieszczamy wspomniane instrukcje konfiguracyjne w oddzielnym skrypcie. Jednak po wywołaniu tego skryptu z poziomu kodu innego skryptu okazuje się, że wartości zmiennych nie są poprawne, tj. skrypt konfiguracyjny zostaje uruchomiony w innej powłoce, a po zakończeniu jego pracy wartości zmiennych zostają usunięte. Czy istnieje jakikolwiek sposób na uruchomienie skryptu konfiguracyjnego w tej samej powłoce, w której działa bieżąca aplikacja?
Rozwiązanie
Aby odczytać zawartość wspomnianego pliku konfiguracyjnego, należy zastosować polecenie powłoki ...
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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.