September 2024
Intermediate to advanced
1002 pages
23h 43m
German
Content preview from PowerShell Kochbuch, 4. Auflage
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Kapitel 6. Berechnungen und Mathematik
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6.0 Einleitung
Mathematik ist eine wichtige Funktion in jeder Skriptsprache. Die Mathematikunterstützung in einer Sprache umfasst natürlich Addition, Subtraktion, Multiplikation und Division, geht aber auch über fortgeschrittenere mathematische Operationen hinaus. Es sollte dich also nicht überraschen, dass diePowerShell eine ganze Reihe von mathematischen und rechenorientierten Funktionen bietet.
Da die PowerShell von der Befehlszeile aus vollen Zugriff auf ihre Skriptsprache bietet, hast du immer einen leistungsstarken und nützlichen Befehlszeilenrechner zur Hand! Neben der Unterstützung traditioneller mathematischer Operationen unterstützt PowerShell auch Systemadministratoren, indem sie nativ mit Konzepten wie Megabyte und Gigabyte, einfachen Statistiken (wie Summe und Durchschnitt) und Umrechnungen zwischen Basen arbeitet.
6.1 Einfache Arithmetik durchführen
Problem
Du möchtest die PowerShell verwenden, um einfache mathematische Ergebnisse zu berechnen.
Lösung
Verwende die arithmetischen Operatoren der PowerShell:
+ |
Zusatz |
- |
Subtraktion |
* |
Multiplikation |
/ |
Abteilung |
% |
Modulus |
+=, -=, *=, /=, und %= |
Zuweisungsvarianten der zuvor aufgeführten Operatoren |
() |
Vorrangigkeit/Ordnung der Vorgänge |
Eine detaillierte Beschreibung dieser mathematischen Operatoren findest du unter
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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.
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.