AWS - CLI
You want to write a script that lists all S3 buckets and saves their names to a file named 'buckets.txt'. Which AWS CLI command should you use?
You want to write a script that lists all S3 buckets and saves their names to a file named 'buckets.txt'. Which AWS CLI command should you use?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify command to list bucket names only
'aws s3api list-buckets' lists buckets; using --query 'Buckets[].Name' extracts only names.Step 2: Confirm output redirection and format
--output text formats output as plain text, suitable for saving. Redirecting with '> buckets.txt' saves to file.Final Answer:
aws s3api list-buckets --query 'Buckets[].Name' --output text > buckets.txt -> Option CQuick Check:
Use --query and --output text to save bucket names [OK]
Quick Trick: Use --query and --output text to extract and save data [OK]
Common Mistakes:
- Not using --query to filter names
- Using incorrect flags like --names
- Saving full JSON output without filtering
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