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Home/ Questions/Q 7090893
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Editorial Team
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Editorial Team
Asked: May 28, 20262026-05-28T08:06:46+00:00 2026-05-28T08:06:46+00:00

In a text document I want to concatenate every other line with the next.

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In a text document I want to concatenate every other line with the next. I guess sed is the thing to use? How would this be done?

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  1. Editorial Team
    Editorial Team
    2026-05-28T08:06:47+00:00Added an answer on May 28, 2026 at 8:06 am

    This is easiest using paste:

    paste -s -d' \n' input.txt 
    

    Although there’s a Famous Sed One-Liner (38) to emulate this as in potong’s answer.

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