Even after decades of using Unix on thousands of systems, I find that it’s still fun to discover various convolutions of sed and awk commands to perform command line wizardry. There’s a lot more to ...

The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential, especially when the process is turned into a script. First, the awk command ...

LinuxやMacなどは最初からある程度コマンドが用意されており、そのうちいくつかはテキストデータの処理を得意としている。catやtr、pasteコマンドのようにごく単純な機能を提供するものから、単一の機能とは言えgrepやsortコマンドのように高度で多機能な ...

awkコマンドの基本：行ごとに (そして列ごとに)データを処理する 今回は、awkコマンドの基本となる「行単位の処理」について説明する。 これを押さえておかないと、使い方がさっぱりわからないだろう。 次のような空白区切りのデータを用意したとする。

"sedやawk、シェルスクリプトを利用した効果的なUNIX/Linuxの利用法と、ユーザー環境を快適にするカスタマイズの手法を ...

It is. I've converted a few machines here in just the last few months, even one where the HD was so shot full of holes only the recovery partition made it onto the replacement SSD and I wound up ...

The awk command is incredibly useful, and you will be surprised at just how powerful and transformative it will make your scripts. Here’s how to get started using it. While I’m not a fan of ...

We aren’t doing the next generation of Linux and Unix admins any favors by forgetting init scripts and fundamental tools I happened across a post on Reddit by chance, asking about textfile ...

I never used awk except when reading other people's scripts, because perl could do awk stuff almost as easily, while also allowing you to expand seamlessly into more complicated tasks that would be ...