August 2012
Intermediate to advanced
624 pages
17h 11m
Polish
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16.13. Utworzenie lepszego polecenia cd
Problem
Wykorzystujemy polecenie cd do przemieszczania się między różnymi katalogami zapisanymi na odległych poziomach struktury katalogów. Chcemy zmieniać katalogi o cztery poziomy w kierunku katalogu głównego za pomocą instrukcji cd ..... zamiast polecenia cd ../../../...
Rozwiązanie
Wystarczy wykorzystać następującą funkcję:
# plik receptury: func_cd # Funkcja umożliwia wykorzystanie polecenia 'cd ...' do zmiany katalogów o 2 poziomy # w górę, 'cd ....' do zmiany o 3 poziomy w górę itd. (podobnie jak 4NT/4DOS) # Użycie: cd ..., itp. function cd { local option= length= count= cdpath= i= # Zasięg lokalny i pusta wartość początkowa # Jeśli zostały podane opcje -L lub -P (dowiązania symbolicznego), należy je ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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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.