August 2012
Intermediate to advanced
624 pages
17h 11m
Polish
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11.7. Obliczanie daty i czasu
Problem
Musimy wykonać pewne obliczenia z użyciem wartości dat i czasu.
Rozwiązanie
Jeżeli nie można uzyskać zadawalającego wyniku za pomocą polecenia date (zgodnie z informacjami zawartymi w „11.3. Automatyczne generowanie dat z określonego zakresu”), konieczne jest przekształcenie wartości daty i czasu w znacznik czasu (w sposób opisany w „11.4. Przekształcenie daty i czasu w znacznik czasu”), wykonanie stosowanych obliczeń i przekształcenie wyniku z powrotem do postaci ciągu o wybranym formacie (zgodnie z opisem zawartym w „11.5. Przekształcanie znaczników czasu w ciągi dat i czasu”).
Podpowiedź
Osoby, które nie dysponują systemami wyposażonymi w instrukcję date projektu GNU, powinny się zapoznać z artykułem Shell Croner: ...
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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.
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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.