Bash Useful Examples

A collection of simple Bash scripts.

Getting Started

1. Hello.sh: get a simple output

2. Process.sh: execute more than one command in a script

3. Interactive.sh: a simple but very much interactive script

4. Special-Pattern.sh: draw a diamond pattern with dots(.)

5. While-Read.sh: read lines from a file using while loop

6. Read-Menu.sh: display a menu for system information

7. While-Menu.sh: a repeated menu for system information

8. Affect.sh: print a spinner loader

9. Colorful.sh: provide you with the output of several colours

10. Convertlowercase.sh: convert data either from the file or standard input to lowercase

11. up.sh: move up a directory in shell script

12. List-dir.sh: list files in a directory

13. Count-lines.sh: print out the line number of each file in current directory

14. Randomfile.sh: create unique file/folder automatically with date and time stamp

15. Random-emoji.sh: print ramdom emojis

16. pomodoro.sh: a simple pomodoro app written in bash

Programming

1. VersionCompare.sh: compare two version number

Utility

1. Encrypt.sh: encrypt a file/folder with password

2. Archive-and-encrypt.sh: archive a path into a file and encrypt the file

3. weather.sh: check the weather in a specified location or using the geolocation of the ip address by default.

4. WhereIP.sh: Get location of an IP address.

System Administration

1. DirectorySize.sh: output a specified directory's size

2. Test-File.sh: evaluate the status of a file/directory

3. Server-Health.sh: report server related information

4. CPU.sh: report if CPU usage exceeds the threshold

5. Disk-Space.sh: check if the disk space crosses the limit

6. CollectNetworkInfo.sh: gather information related to server

7. RemoteBackup.sh: backup a local file into a remote server

8. HardwareInfo.sh: show hardware information for systems Linux

9. Get-Temperature.sh: show CPU temperature

Math

1. Addition.sh: perform addition of two numbers

2. Subtraction.sh: perform subtraction of two numbers

3. Multiplication.sh: perform multiplication of two numbers

4. Division.sh: perform division of two numbers

5. Simplecacl.sh: a simple calculator

6. Table.sh: print table of any number

7. EvenOdd.sh: check if a number input from standard input is odd or even

8. Factorial.sh: generate the factorial of a number

9. Armstrong.sh: check if a provided number is Armstrong or not

10. Prime.sh: check if a number is prime or not

11. Fibonacci.sh: test if a number being entered is a Fibonacci or not

12. Decimal2Binary.sh: convert Decimal Number to Binary

13. Binary2Decimal.sh: convert Binary Number back to decimal

14. Decimal2Hex.sh: convert Decimal Number to Hex

15. Hex2Decimal: convert Hex number back to Decimal

Image manipulation

1. thumbnail.sh: create 400px thumbnails from images in a folder

Reference:

https://github.com/Advance-Innovation-Centre-AIC/simple-bash-scripts

Practise More!

https://cheatsheets.zip/bash