August 2012
Intermediate to advanced
624 pages
17h 11m
Polish
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19.3. Zapominanie o braku bieżącego katalogu w zmiennej $PATH
Problem
Napisaliśmy skrypt i chcemy sprawdzić jego działanie. Pamiętaliśmy nawet o ustawieniu praw wykonywania. Jednak próba uruchomienia programu kończy się wyświetleniem komunikatu o treści:
$ mój.skrypt
-bash: mój.skrypt: command not found
$Rozwiązanie
Aby rozwiązać problem, można dodać bieżący katalog do zmiennej $PATH (co jest metodą niezalecaną) albo umieścić w wywołaniu skryptu ciąg ./ przed nazwą pliku:
$ ./mój.skryptAnaliza
Początkujący użytkownicy powłoki bash często zapominają o konieczności poprzedzenia nazwy uruchamianego skryptu ciągiem (./). Zagadnienia związane z wyznaczaniem wartości zmiennej $PATH były często poruszane we wcześniejszych recepturach. Nie ma więc sensu opisywać ...
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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.