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Shell Programming and Scripting

Remove unwanted data?

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# 15  
Old 05-09-2007
Quote:
Originally Posted by radoulov
Code:
sed -n '
/Event Id:/ b block
H
$ b block
b
:block
x
/INFO/!p' infile

Thanks a lot - that worked like a charm!!!
# 16  
Old 05-09-2007
have you tried Ygor's method?
# 17  
Old 05-09-2007
The Ygor's method doesn't work on my AIX box.
My awk version uses only the first character of RS.

Try the following awk program :
Code:
#!/usr/bin/awk -f 
function print_lines() {
   for (i=1; i<= lines_count; i++)
      print lines[i];
}
/^Event Id:/ {
   if (! ignore_event)
      print_lines();
   lines_count  = 0;
   ignore_event = 0;
}
! ignore_event {
   if (/^Type : INFO/) 
      ignore_event = 1;
   else
      lines[++lines_count] = $0;
}
END {
   print_lines();
}


Jean-Pierre.
# 18  
Old 05-09-2007
Yes i tried that but that doesnt work for me on my AIX.

Aigles, Could you please let me know how am i suppose to run your script??? I mean how do i pass the data to the awk script????? and also, radoulov's code???
# 19  
Old 05-09-2007
Quote:
Originally Posted by hitmansilentass
Yes i tried that but that doesnt work for me on my AIX.

Aigles, Could you please let me know how am i suppose to run your script??? I mean how do i pass the data to the awk script????? and also, radoulov's code???
Code:
awk -f <awk_program_name> filename

# 20  
Old 05-09-2007
That didnt work either. anyways, could any one of you please explain me the code of radoulov
# 21  
Old 05-09-2007
Quote:
Originally Posted by hitmansilentass
That didnt work either. anyways, could any one of you please explain me the code of radoulov
It's explained in Sed - An Introduction and Tutorial by Bruce Barnett (under Flow Control).
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