Grep: Difference between revisions

Grep (view source)

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Revision as of 19:09, 8 May 2018 (view source) Amanjosan2008 (talk \| contribs) (→‎One-Liners) ← Older edit		Latest revision as of 19:19, 8 May 2018 (view source) Amanjosan2008 (talk \| contribs) (→‎One-Liners)
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Line 27: =One-Liners= Case insensitive search Line 35 ⟶ 34: grep -iw "is" demo_file Display N lines after, before, around match 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 Line 50 ⟶ 45: export GREP_OPTIONS='--color=auto' GREP_COLOR='100;8' Recursive Search ~~Searching in all files recursively~~ grep -r "~~ramesh~~test" * Recursively but ignore binary files grep -rI "test" someDir/ Invert match Line 60 ⟶ 58: How many lines matches the given pattern grep -c "go" demo_text~~<br />grep -c this demo_file~~ How many lines that does not match the pattern Line 97 ⟶ 95: Grep from compressed files zgrep -I "free space" ./messages* Print lines which begin with "foo" and end in "bar" grep "^foo.*bar$" file.txt Filter the Filtered output: grep "test" file.txt \| grep -v "pass" Search for the string and not the regex: fgrep "foobar" file.txt grep -F "foobar" file.txt <br />