Famous Awk One-Liners Explained, Part III: Selective Printing and Deleting of Certain Lines

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February 09, 2009, 13:09

#47 can be written in easy way like this
awk ' { rec[NR]=$0} END{printf("%s\n%s\n", rec[NR-1], rec[NR]}' file

can't it?

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