Perhaps I need to explain further: I have a 14,000 line "text" file,
not specifically a 'data' file as in 'database'
I have corbeled together a few programs and altered them to give me a
Linux faxserver that both sends and receives faxes and distributes them
to the proper person.
Each line has specific information necessary to determine the correct
routing. I update that file twice daily to reflect new faxes having
been sent out. That information determines the routing for received
faxes. The common field is the phone number field. I do not want
multiple phone number entries so I do a uniq on the file and that is
just fine except that I may be deleting the most recent entry and not
the oldest entry which may have a different person as the originator.
So, I have a text file that contains as the first field a phone number
which I need to search for and replace with a newer entry for that
number. I really want to avoid loops on such a large file and that is
why I was looking at a combination of merges, sorts and uniq
statements. That keeps it simple enough for the next person to take
over when I retire next year sometime.
example: *941*4973328 SENDTO=mrock;MOVETO=/home/rock/fax;;
*941*5889070 SENDTO=dstewart;MOVETO=/home/debi/fax;;
a replacement entry might be:
*941*5889070 SENDTO=jhines;MOVETO=/home/hines/fax;;
the phone numbers are the same but the data is different.
I need to replace the existing line with the new one.
On Tue, 2003-08-12 at 17:30, Robert Eanes wrote:
> Ok firstly... convert to comma delimited... you may
> want to use more than one word in a field some day.
>
> Secondly, do you have a clear Key for the datafile...
> do your normalization, and reorg.. setup of that
> process to run once a day or whatever the schedule for
> updates are.. with reporting so you know when you need
> to manually solve a data exception.
>
> Thirdly, if you run thing the right way .. ie. pick
> the right tools and have the right processes set up ..
> you should be able to just add the 100 or so lines to
> the end of the file and start the DB maintenance cycle
> for inclusion.
>
> Perl is a good tool... But whatever your preference..
> care needs to be taken with the planning and
> organization of your database.
>
> Rob
>
>
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