Bash Tutorial 3: If Then Else Elif

How to use Conditional If, Then, Else, ElseIf (Elif) statements to make programming decisions in Linux Bash Script Programming. In Bash we have the added complexity of awkward brackets and whitespace requirements, which can cause much frustration to programmer who is certain they have written the if statement correctly.

In this tutorial I show how:
0:14 Use If, Elif, and Else to make a Simple menu
2:06 If Not Equal !=
2:24 Greater than, Less than
3:26 Logical AND, Logical OR – &&, ||
4:00 Logical OR comparing two IF Statements
5:10 Check to see If a File, Directory / Folder exists

Bash Tutorial Playlist: http://www.youtube.com/playlist?list=PLzZ0JczEkZfkvvycruN04zx6NmYYaavQI
Tutorial 2: Using Variables – http://youtu.be/FLUYFP7ezqc
Tutorial 4: Loops – http://youtu.be/sCmqBkz1yYY

Script Download: https://raw.githubusercontent.com/quidsup/bash-tutorials/master/3-IfThenElse.sh
Wallpaper: http://quidsup.net?i=ws_Digital_Art_Blue_Explosion