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Shell Programming and Scripting

Command needed to Parse Catalina.out in Linux

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Top Forums Shell Programming and Scripting Command needed to Parse Catalina.out in Linux
# 8  
Old 05-25-2009
If you have Python, and assuming May 26 is what comes after.
Code:
#!/usr/bin/env python
f=0
for line in open("file"):
    if "May 26" in line: break
    if "May 25" in line: f=1
    if f: print line.strip()

output
Code:
# ./test.py
May 25, 2009 1:30:25 AM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/27 config=null
May 25, 2009 1:30:25 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 2301 ms
License file saxon-license.lic not found. R

with awk
Code:
awk '/May 26/{exit}/May 25/{f=1}f' file

# 9  
Old 05-25-2009
Tried with AWK but no luck:

awk '/May 26/{exit}/May 25/{f=1}f' catalina.out
awk: syntax error near line 1
awk: bailing out near line 1
# 10  
Old 05-25-2009
use nawk for solaris.
# 11  
Old 05-25-2009
Hurray !! Nawk worked but how to redirect that to a text file...


nawk '/May 25/{exit}/May 24/{f=1}f' catalina.out
# 12  
Old 05-25-2009
Quote:
Originally Posted by redhatperl
but how to redirect that to a text file...
redirection is part of basic shell scripting. I am not going to spoonfeed you , so you have to go read up the basics.
# 13  
Old 05-25-2009
Code:
perl -ne 'next if /^\s*$/;
          if (/^(May 25)/) {print; $in=1}
          elsif (!/^(May)/ && $in==1) {print}
          elsif (/^(May 26)/ && $in==1) {$in=0}' catalina.out

tyler_durden
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