Bash Shell Scripting - Reading Files Using "for"

The video tutorial explains how to use a for loop to read files line by line. It starts with a basic example of iterating over numbers and then demonstrates reading a file using a for loop. The tutorial also covers implementing conditional logic within the loop and introduces command substitution techniques. The video concludes with potential applications of for loops in processing various file types.

How does the command substitution technique differ from using the 'cat' command directly?

What are some potential applications of reading files using for loops as mentioned in the text?

Summarize the key takeaways from the video regarding file reading techniques.