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How to get sed to substitute for all but one character

rated 0 times [ 1] [ 0] / answers: 1 / hits: 1629 / 3 Years ago, sat, july 3, 2021, 8:42:47

I have a statement of the form atPhysAddress[1][1.10.0.0.98] i would like to remove all details except for the first one in the second bracket, or whichever value falls there, how can i achieve this?(i.e i would like to only leave out the first integer in the second bracket)

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fulerio

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answered 3 Years ago ersoggles · Accepted Answer

For example with

$ echo "atPhysAddress[1][1.10.0.0.98]" | sed 's/([.*])[(.).*]/1[2]/'

atPhysAddress[1][1]

To only get the first number in the second bracket:

$ echo "atPhysAddress[1][12.10.0.0.98]" | sed 's/.*][([^.]*).*]/1/'

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