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Home/ Questions/Q 6838005
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Editorial Team
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Editorial Team
Asked: May 26, 20262026-05-26T23:32:42+00:00 2026-05-26T23:32:42+00:00

All of the lines with comments in a file begin with # . How

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All of the lines with comments in a file begin with #. How can I delete all of the lines (and only those lines) which begin with #? Other lines containing #, but not at the beginning of the line should be ignored.

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  1. Editorial Team
    Editorial Team
    2026-05-26T23:32:42+00:00Added an answer on May 26, 2026 at 11:32 pm

    This can be done with a sed one-liner:

    sed '/^#/d'
    

    This says, “find all lines that start with # and delete them, leaving everything else.”

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