December 2022
Intermediate to advanced
400 pages
4h 27m
Japanese
book
マスタリングLinuxシェルスクリプト 第2版 ―Linuxコマンド、bashスクリプト、シェルプログラミング実践入門
by Mokhtar Ebrahim, Andrew Mallett, 萬谷 暢崇, 原 隆文
Content preview from マスタリングLinuxシェルスクリプト 第2版 ―Linuxコマンド、bashスクリプト、シェルプログラミング実践入門
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付録Abashのその他の機能
萬谷 暢崇
本付録は日本語版オリジナルの記事です。本稿では、原書で解説されていなかったbashの機能で、シェルスクリプトを書く際に知っておくと便利なものについて解説します。本稿のスクリプトは2019年1月にリリースされたバージョン5.0以降のbashで実行することを前提に作成しています。†1。
[†1] Debian系のLinuxディストリビューションではsudo apt update && sudo apt install bashでbashを更新できます。Red Hat系のLinuxディストリビューションではsudo dnf update bash（dnfコマンドがインストールされていない場合はsudo yum update bash）でbashを更新できます。本稿作成時点のbashの最新バージョンは2022年9月にリリースされたバージョン5.2です。スクリプトの動作確認に使用しているLinuxディストリビューション（Linux Mint 21（Vanessa）、Debian 11（bullseye）、Ubuntu 22.04 LTS、CentOS Stream 9、Fedora 36、Rocky Linux 9.0（Blue Onyx））では、Fedora 36のみでbash 5.2のパッケージが提供されていました。macOSをお使いの方は、デフォルトでbashのかなり古いバージョンの3.2がインストールされていて本稿で解説する機能で使用できないものが多数ありますので、Homebrewでbashの新しいバージョンをインストールすることをお勧めします。詳しい手順はインターネットで検索してください。
A.1 組み込みコマンド
ここでは以下の組み込みコマンドについて解説します。各組み込みコマンドの使用方法については「 ...
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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.