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copy, clear and keep to new data only

 
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# 1  
Old 10-04-2006
Question copy, clear and keep to new data only
I have an Ingres database logfile that grows constantly, iircp.log. It is always "attached" to the Ingres process that uses it, and I do not want to screw up the data. I have been copying it to another directory and then using vi on the original to reduce the size 34000 lines at a time. What I want is some way to copy the active file to another directory and drop the difference between the two (any new lines) back into the original file without disconnecting it.
# 2  
Old 10-09-2006
use a script in cronjob
1. write a script that copies the log file.
2. do cat >>logfile
3. test the script
4. Add entry in the cronjob


Subbu
 
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