Learn C shell Scripting gently
This book is the only book available in the market that extensively examines the C shell environment and its scripting capabilities. The writers took a long time to write this book.
https://www.amazon.com/dp/B077PMJ5YN/...
You will find it much easier to learn than Bash Script. The main intent of this book is to prepare you with a programming syntax that is imprinted in your mind and helps you learn more lucrative languages. The C shell has many similarities with C language. Use this book as a heads-up to learn C.