Grep: Difference between revisions

Content added Content deleted

Inline

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 =One-Liners=
 Case insensitive search
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  grep -iw "is" demo_file
-Display N lines after match
+Display N lines after, before, around match
- grep -A 3 -i "example" demo_text
+ grep -A 3 -i "example" demo_text      # After Match
+ grep -B 2 "single WORD" demo_text     # Before Match
+ grep -C 2 "Example" demo_text         # Around Match
-Display N lines before match
- grep -B 2 "single WORD" demo_text
-Display N lines around match
- grep -C 2 "Example" demo_text
 Color Filtered Output
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  export GREP_OPTIONS='--color=auto' GREP_COLOR='100;8'
+Recursive Search
-Searching in all files recursively
- grep -r "ramesh" *
+ grep -r "test" *
 Invert match
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 How many lines matches the given pattern
- grep -c "go" demo_text<br />grep -c this demo_file
+ grep -c "go" demo_text
 How many lines that does not match the pattern