August 2012
Intermediate to advanced
624 pages
17h 11m
Polish
Content preview from Bash. Receptury
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Opcje instrukcji shopt
Opcje instrukcji shopt są ustawiane w czasie wykonywania polecenia shopt -s par oraz usuwane za pomocą polecenia shopt -u par. W powłokach o wersjach poprzedzających wersję 2.0 niektóre ustawienia były definiowane przez zmienne środowiskowe. Wśród wspomnianych zmiennych (i związanych z nimi opcji shopt) są: allow_null_glob_expansion (nullglob), cdable_vars (cdable_vars), command_oriented_history (cmdhist), glob_dot_filenames (dotglob), no_exit_on_failed_exec (execfail). W nowych wersjach powłoki zmienne te nie są wykorzystywane.
Opcje extdebug, failglob, force_fignore i gnu_errfmt nie są dostępne w oprogramowaniu sprzed wersji 3.0.
Tabela A-7. Opcje instrukcji shopt
Opcja | Znaczenie, jeśli zmienna jest zdefiniowana |
|---|---|
|
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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.
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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.