Bash Shell Scripting - Reading Files Using "for"
Interactive Video
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the shebang line in a script?
To indicate the script's interpreter
To specify the script's author
To define the script's file type
To set the script's execution permissions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a simple for loop iterating over numbers, what happens during each iteration?
The loop variable is multiplied by 2
The loop variable is divided by 2
The loop variable is assigned the next number
The loop variable is reset
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the 'cat' command in reading files with a for loop?
To rename a file
To display the contents of a file
To delete a file
To create a new file
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does command substitution work in a for loop?
It executes a command and uses its output
It replaces a command with a variable
It swaps two commands
It deletes a command
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a specific line in a file matches a condition in a for loop?
The loop continues without any action
The loop restarts from the beginning
The loop pauses for a specified time
The loop skips the line
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of using 'exit' in a for loop?
It skips the current iteration
It pauses the loop
It restarts the loop
It terminates the loop
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to know what to do with each line read from a file?
To ensure the file is not corrupted
To determine the next file to read
To count the number of lines in the file
To perform specific actions based on the line's content
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