in reply to Re^4: Writing data into columns
in thread Writing data into columns

is there a way of using data shown in the earlier post.
Yes.

Is your question really "how do I read data from a file"?

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Re^6: Writing data into columns
by $new_guy (Acolyte) on Aug 31, 2010 at 09:09 UTC

    The question is how do I use regular expressions to match particular prefixes and put them in the same column, eg "3850_1_2_" is a prefix. for say 3850_1_2_xxxx.

      Bucketize them, and sort the buckets.
        Dear JavaFan, thanks a lot!!! You are the greatest!!!!! you are the best!
        Hi JavaFan, I have had to come back to this bit of code. I do I bucketize. I am stuck. $new_guy