The abc.txt file always 2 lines.
cat abc.txt
21321313
34343dfddf
Please help...what’s good command out put like below 1 line. The 2 lines come first then first line. Thanks
34343dfddf 21321313
This code not code not work:
Quote:
cat abc.txt | awk 'NR==2,NR==1' | tr -d '\n'
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