Skip to article frontmatter Skip to article content

Site not loading correctly?

This may be due to an incorrect BASE_URL configuration. See the MyST Documentation for reference.

Command Line

Intro to The Command Line GNU Coreutils Man, Info and Help Shell Argument Syntax Shell Built-In Commands Echo and Printf Bash Aliases Redirections Bash Arrays Bash Brace Expansion Bash Parameter Expansion Bash and Unicode AWS Vault Bash Prompt Bash Exercises Part 1 The cp Command du find grep tar Column File Conversion HackerRank Shell Challenges and Solutions Working With The Clipboard On The Command Line

Data Structures & Algorithms

Git

Sed

Awk

SQL

Docker

Emacs

C

Go

Clojure

Lisp

How To Design Programs

HackerRank

Miscellaneous

Bash Parameter Expansion

Remove newline¶

Similar to tr -d '\n, we can also do in pure bash:

"${var//[$'\t\r\n']}"

Bash Brace Expansion

Bash and Unicode