This repository contains Bash scripts, practice files, notes, and documentation.
This table summarises various Bash commands and concepts, providing a brief explanation and a simple example for each. It serves as a quick reference for understanding and using these commands effectively in your Bash scripts.
| Command/Concept | Explanation | Example |
|---|---|---|
-f |
Checks if the specified path is a regular file | if [ -f "file.txt" ]; then ... |
-d |
Checks if the specified path is a directory | if [ -d "/folder/" ]; then ... |
-r |
Checks if the specified file is readable | if [ -r "file.txt" ]; then ... |
[ ... ] |
Test command used for evaluating expressions | if [ -f "file.txt" ]; then ... |
grep -r "pattern" |
Searches recursively for a pattern in files | grep -r "echo" ~/ |
ping |
Checks the connectivity to a server or IP | ping -c 1 www.google.com |
printf |
Formats and prints data to the terminal | printf "Hello, %s\n" "World" |
date |
Displays the current date and time | date |
&& |
Logical AND operator; executes next command if previous succeeded | command1 && command2 |
| ` | ` | |
&> |
Redirects both stdout and stderr to a file | command &> output.log |