Perl
----- Original Message -----
From: "Rock" <mrock@stewartsigns.com>
To: <slug@nks.net>
Sent: Tuesday, August 12, 2003 14:36
Subject: [SLUG] search and replace
>
> I have a data file that is nearly 14,000 lines long. It is a variable
> length line. I have need to update this file twice a day with updated
> information relative to the first field in this file. It is space
> delimited and sorted on the first field. I need to replace the line
> with information in an update log which has the same key (first field).
> The update file could be as long as a hundred lines.
>
> Is there a straight forward way of doing this?
>
> I was going to do a merge and then sort and then uniq to remove the
> duplicates but I was not able to assure that the update file entry was
> the first line read in a uniq operation. My tests proved that I could
> not control that the latest entry would be the first in the file.
>
> Michael C. Rock
> Systems Analyst
> Registered Linux User # 287973
>
>
> "The time has come the walrus said to speak of many things,,"
> "Christians give up what they cannot keep to gain what they cannot lose"
>
>
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