unix - Joining two consecutive lines using awk or sed

Question

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

How would I join two lines using awk or sed?

I have data that looks like this:

abcd
joinabcd
efgh
joinefgh
ijkl
joinijkl

I need an output like the one below:

joinabcdabcd
joinefghefgh
joinijklijkl

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1 Answer

深蓝 · Answer 1 · 2021-10-23T18:58:48+0000

answered Oct 24, 2021 by 深蓝 (71.8m points)

awk '!(NR%2){print$0p}{p=$0}' infile

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