Shulou(Shulou.com)06/02 Report--

In the linux system, using grep to print the upper and lower lines of matching can be achieved by grep if you just want to match the upper and lower lines of the pattern. $grep-5 'parttern' inputfile / / print the last five lines of the matching line $grep-C 5' parttern' inputfile / / print the last five lines of the matching line $grep-A 5 'parttern' inputfile / / print the last five lines of the matching line

$grep-B 5 'parttern' inputfile / / print the first five lines of the matching line

/ / search the line number of the content in inputfile that satisfies parttern

Grep-n 'parttern' inputfile

View the contents of a file after the specified line number (90) in inputfile

Tail-n + 90 inputfile

View lines 190 to 196 of the file inputfile

Sed-n '114196p' inputfile

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