You have a log file access.log with many repeated IP addresses scattered randomly. You want a sorted list of unique IPs. Which command pipeline correctly achieves this?

hard🚀 Application Q15 of 15

Bash Scripting - Text Processing in Scripts

You have a log file access.log with many repeated IP addresses scattered randomly. You want a sorted list of unique IPs. Which command pipeline correctly achieves this?

Acat access.log | uniq | sort

Buniq access.log | sort

Csort -u access.log

Duniq access.log | sort -u

Step-by-Step Solution

Solution:

Step 1: Understand sort -u option
sort -u sorts and removes duplicates in one step efficiently.
Step 2: Why others fail
Options A, B, and D all apply uniq before sorting, missing non-adjacent duplicates since IPs are scattered randomly.
Final Answer:
sort -u access.log -> Option C
Quick Check:
sort -u = sorted unique lines in one command [OK]

Quick Trick: Use sort -u for sorted unique lines in one step [OK]

Common Mistakes:

MISTAKES

Using uniq before sort, missing duplicates
Not knowing sort -u combines sorting and uniqueness
Using unnecessary cat command

Master "Text Processing in Scripts" in Bash Scripting

9 interactive learning modes - each teaches the same concept differently

Learn Why Deep Visual Try Challenge Project Recall Time

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions

More Bash Scripting Quizzes

You have a log file access.log with many repeated IP addresses scattered randomly. You want a sorted list of unique IPs. Which command pipeline correctly achieves this?

Step 1: Understand sort -u option

Step 2: Why others fail

Final Answer:

Quick Check:

Want More Practice?

Step 1: Understand `sort -u` option