Re: a technical how to

From: Jerry McAllister (jerrymc_at_clunix.cl.msu.edu)
Date: 12/09/03

  • Next message: Steve Bertrand: "Re: help" 
    To: homeyra_s@yahoo.com (homeyra g)
Date: Tue, 9 Dec 2003 10:01:19 -0500 (EST)

    >
    > So, I hope this is the right address for this type of
    > question. If not would you please forward this and/or
    > let me know the correct address.

    Is it a text or binary file?

    First, I suggest working from a copy of the file for safety sake.

    For a text file, Use vi. Count down to which line is the last one
    you want to get rid of (lets say you want to get rid of 1-1152 and keep
    from 1153-end). Then, in vi, put your cursor on the first line
    and do '1152dd'. save the file off with ':wq' and voila, you got it.

    For a binary file, use dd and tell it to skip the bytes in front
    and start copying from there to end to the new file. You may also have
    to play around with blocksize and notrunc to get just what you want if
    you need to break it on some odd boundary.

    ////jerry

    >
    > Thanks,
    >
    > Here is the question: How to truncate a file from the
    > begining to a certain point in the file?
    >
    >
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  • Next message: Steve Bertrand: "Re: help"

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