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Asked: 2026-05-20T11:59:41+00:00

I have used an awk command to find a particular line in a file

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I have used an awk command to find a particular line in a file and would like to prepend this in a second file. Can someone help me in this respect?

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1 Answer

  1. Editorial Team

    The short answer is that you can’t. You’ll need a temp file.

    echo "Prepended Line" > tmpfile && cat origfile >> tmpfile && mv tmpfile origfile

    Edit:

    sed -i 's/\(line you want\)/Prefix \1/g' origfile
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