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  #2 (permalink)  
Old 06-15-2006
jim mcnamara jim mcnamara is offline Forum Staff  
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Join Date: Feb 2004
Location: NM
Posts: 5,763
You want the next to the last line, right? And just the one line. And add the one line another file. Then wait 15 minutes and do it again?
Code:
while true
do
     tail -2 logfile | head -1 >>  anotherfile.log
     sleep 900
done