perl -aF/\s+/ -lne"print join qq(\t),splice(@F,0,2) while @F" t.txt

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Adjust the quotes to suite your shell.

---
$world=~s/war/peace/g

In reply to Re: repeat data at one line and grep as pre-set format by demerphq
in thread repeat data at one line and grep as pre-set format by benlaw

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