Linux CLI - Searching and Finding
Given a directory with files containing the word 'apple' in some files, what will be the output of
grep -r 'apple' ./fruits?Given a directory with files containing the word 'apple' in some files, what will be the output of grep -r 'apple' ./fruits?
medium📝 Command Output Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Understand grep -r output behavior
By default, grep -r prints matching lines with file names.Step 2: Apply to given command
grep -r 'apple' ./fruitsprints all lines containing 'apple' from all files recursively.Final Answer:
List of all lines containing 'apple' from all files in ./fruits and subfolders -> Option BQuick Check:
Default grep -r output = A [OK]
Quick Trick: grep -r shows matching lines, not just file names [OK]
Common Mistakes:
- Thinking grep -r only lists file names
- Confusing with -l option for file names only
- Expecting count without -c option
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