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 ...

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 ...

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。

The awk programming language often gets overlooked for Perl, which is a more capable language. Out in the real world, however awk is found even more ubiquitously than Perl. It also has a smaller ...

awk is a programming language optimized for text processing. It takes less code than sed or perl, where the input is field-based. bash and other interactive shells don't have the same capabilities ...

The purpose of this article is to demonstrate that real programs can be and are written using the AWK programming language. When I first started working with UNIX, going back 10 years now, no one I ...

I love chaining commands as much as anyone, and sed, awk, grep, and perl are some of my best friends. However, remember that, in *nix, each command runs in its own process, the resources required for ...

I gotta say, tldr beats the hell out of man pages for like 99% of the times I want to look at a man page in the first place. Click to expand... I just found a gotcha installing tldr on Ubuntu: Even ...