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Full Discussion: How to get lines in between Patterns?
Top Forums Shell Programming and Scripting How to get lines in between Patterns? Post 302188261 by racbern on Wednesday 23rd of April 2008 04:18:37 AM
Old 04-23-2008
How to get lines in between Patterns?
Hi,

I need to create a script that does the following:

1. Read the file for the occurrences of "EXECUTE" and "END" strings.
There will be several occurrences of EXECUTE and END strings on the file.
2. The resulting lines in #1, needs to be searched for the word "Error|failed|error|warning", if the word error occurs on the line, prints the specific line and 1 line above it.

Here's a sample input file:
HTML Code:
-------------------------------< EXECUTE >----------------------------
This session consists of:  Feature  R-state        Install-type Upgrade-from

------------------------------------------------------------------------  
conf_system                              R3C01          upgrade      R3B03     
------------------------------------------------------------------------
------------------< CIF(conf) 2008-04-08 02:31:28 >--------------------
----------------------< END 2008-04-08 02:31:57 >---------------------

-------------------------------< EXECUTE >-----------------------------
---------< FM(fm_core,fmba,fmaa,fmx,fmav) 2008-04-08 03:14:09 >-------
[main] Error installing feature [fmx] - com.er.nm.if.ist.NoMatchingUpgradeClauseFoundException: 
--------------------------< END 2008-04-08 03:22:51 >------------------

The output should be:
HTML Code:
---------< FM(fm_core,fmba,fmaa,fmx,fmav) 2008-04-08 03:14:09 >-------
[main] Error installing feature [fmx] - com.er.nm.if.ist.NoMatchingUpgradeClauseFoundException:

I'm not familiar with awk command, and if you can guide me on this please?
Any help is greatly appreciated.

//racbern
 

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