The UNIX and Linux Forums  

Go Back   The UNIX and Linux Forums > Top Forums > Shell Programming and Scripting
Reload this Page grep'ing and sed'ing chunks in bash... need help on speeding up a log parser.
.
google unix.com

Forums Register Forum RulesLinksAlbums FAQ Members List Calendar Search Today's Posts Mark Forums Read



Thread: grep'ing and sed'ing chunks in bash... need help on speeding up a log parser.
View Single Post in the UNIX and Linux Forums - Click on the Thread or Permalink to View Entire Thread -->
  #2 (permalink)  
Old 04-21-2009
Franklin52 Franklin52 is offline Forum Staff  
Moderator
  
 

Join Date: Feb 2007
Posts: 4,342
Assuming the first line of a session ends with "starting session" you can try this (not tested):


Code:
awk '{
  !a[$4]{a[$4]=$4; n[$4]="session."$4"."$6"."$7}
  a[$4]{print > n[$4]}
' file

Use nawk or /usr/xpg4/bin/awk on Solaris if you get errors.

Regards