Sed delete line with matching text/string

 

To delete all lines containing particular string/text use following command:

$ sed '/inputString/d' inputFile.txt 

Example:

Delete all line containing word hello and redirect the output to outputFile.txt:

$ sed '/hello/d' inputFile.txt > outputFile.txt

To Delete all lines containing word hello within inputFile.txt use -i option with sed:

$ sed -i '/hello/d' inputFile.txt

-Sany

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