Knowledge Base

Text Processing

Grep Recursively in Directory

grep -rn "{{pattern}}" {{path}}

#grep #search

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Text Processing

Grep Excluding Directories

grep -rn "{{pattern}}" {{path}} --exclude-dir={vendor,node_modules,.git}

#grep #exclude

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Text Processing

Replace Text in File (sed)

sed -i 's/{{old_text}}/{{new_text}}/g' {{file}}

#sed #replace

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Text Processing

Print Specific Column with awk

{{command}} | awk '{ print ${{column_number}} }'

#awk #column

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Text Processing

Sort and Deduplicate Lines

{{command}} | sort | uniq

#sort #uniq

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Text Processing

Extract Field by Delimiter (cut)

cut -d "{{delimiter}}" -f {{field}} {{file}}

#cut #delimiter

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Text Processing

View First or Last Lines of File

head -n {{lines}} {{file}}

#head #tail

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Text Processing

Compare Two Files (diff)

diff -u {{file1}} {{file2}}

#diff #compare

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Text Processing

Delete Files Found by find/grep

find {{path}} -name "{{pattern}}" -type f | xargs rm -f

#xargs #find

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Knowledge Base

Categories

Grep Recursively in Directory

Grep Excluding Directories

Replace Text in File (sed)

Print Specific Column with awk

Sort and Deduplicate Lines

Extract Field by Delimiter (cut)

View First or Last Lines of File

Compare Two Files (diff)

Delete Files Found by find/grep