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Full Discussion: Extract section of file based on word in section
Top Forums Shell Programming and Scripting Extract section of file based on word in section Post 302454730 by jelloir on Monday 20th of September 2010 12:17:18 AM
Old 09-20-2010
Extract section of file based on word in section
I have a list of Servers in no particular order as follows:

Code:
virtualMachines="IIBSBS IIBVICDMS01 IIBVICMA01"

And I am generating some output from a pre-existing script that gives me the following (this is a sample output selection).

Code:
9/17/2010 8:00:05 PM: Normal backup using VDRBACKUPS (Execution unit 12)
9/17/2010 8:01:49 PM: Copying IIBVICDMS01
9/17/2010 8:01:56 PM: Performing incremental back up of disk "[IIBVICSAN01-SATA1-1] IIBVICDMS01/IIBVICDMS01-000002-flat.vmdk" using "Network"
9/17/2010 8:06:06 PM: Performing incremental back up of disk "[IIBVICSAN01-SATA1-1] IIBVICDMS01/IIBVICDMS01_1-000002-flat.vmdk" using "Network"
9/17/2010 8:19:00 PM: Execution completed successfully

9/17/2010 8:19:00 PM: Completed: 7 files, 790.1 GB
9/17/2010 8:19:00 PM: Performance: 47446.3 MB/minute
9/17/2010 8:19:00 PM: Duration: 00:18:54 (00:01:50 idle/loading/preparing)
9/17/2010 8:00:04 PM: Normal backup using VDRBACKUPS (Execution unit 11)
9/17/2010 8:01:06 PM: Copying IIBVICMA01
9/17/2010 8:01:14 PM: Performing incremental back up of disk "[IIBVICSAN01-SAS1-1] IIBVICMA01/IIBVICMA01-flat.vmdk" using "Network"
9/17/2010 8:26:23 PM: Performing incremental back up of disk "[IIBVICSAN01-SATA1-1] IIBVICMA01/IIBVICMA01-flat.vmdk" using "Network"
9/17/2010 8:36:39 PM: Execution completed successfully

9/17/2010 8:36:39 PM: Completed: 7 files, 362.1 GB
9/17/2010 8:36:39 PM: Performance: 10461.5 MB/minute
9/17/2010 8:36:39 PM: Duration: 00:36:35 (00:01:09 idle/loading/preparing)
9/17/2010 8:00:02 PM: Normal backup using VDRBACKUPS (Execution unit 10)
9/17/2010 8:00:55 PM: Copying IIBSBS
9/17/2010 8:01:06 PM: Performing incremental back up of disk "[IIBVICSAN01-SAS1-1] IIBSBS/IIBSBS-flat.vmdk" using "Network"
9/17/2010 8:58:37 PM: Performing incremental back up of disk "[IIBVICSAN01-SAS1-1] IIBSBS/IIBSBS_1-flat.vmdk" using "Network"
9/17/2010 9:47:28 PM: Performing incremental back up of disk "[IIBVICSAN01-SAS1-1] IIBSBS/IIBSBS_2-flat.vmdk" using "Network"
9/17/2010 9:49:05 PM: Execution completed successfully

9/17/2010 9:49:05 PM: Completed: 9 files, 514.6 GB
9/17/2010 9:49:05 PM: Performance: 4879.8 MB/minute
9/17/2010 9:49:05 PM: Duration: 01:49:01 (00:01:02 idle/loading/preparing)

For each SERVERNAME in ${virtualMachines} I want to extract each section beginning with "Normal backup" and ending with "Duration" to a file.

The Server name is a constant and will always appears in the "Normal backup/Duration" block of output (typically as "Copying $SERVERNAME" but this can change if it has an error but is always there). So it's kind of like a grep of the $SERVERNAME that also grabs the "Normal backup -> Duration" section that the $SERVERNAME exists within. This also needs to append to the file as sometimes the backup of each server might run more than once and produce more than 1 "Normal backup -> Duration" section.

Another way to describe it would be...

Output only "Normal backup -> Duration" section where $SERVERNAME = IIBSBS and append output to /tmp/vdrlog-IIBSBS.txt

e.g. it would look something like this. My script is just to try and illustrate what I want and does not work.

Code:
#!/bin/bash

virtualMachines="IIBSBS IIBVICDMS01 IIBVICMA01"
backupLog="/tmp/backup.log"

for i in ${virtualMachines} ; do
        grep $i ${backupLog} | awk
                '$4 == "Normal" && $5 == "backup"{f=1; c++}
                f{print >> "/tmp/vdrlog-"'"$i"'"".txt}
                $4 ~ /Duration/{f=0}'
done

Code:
cat /tmp/vdrlog-IIBSBS.txt
9/17/2010 8:00:02 PM: Normal backup using VDRBACKUPS (Execution unit 10)
9/17/2010 8:00:55 PM: Copying IIBSBS
9/17/2010 8:01:06 PM: Performing incremental back up of disk "[IIBVICSAN01-SAS1-1] IIBSBS/IIBSBS-flat.vmdk" using "Network"
9/17/2010 8:58:37 PM: Performing incremental back up of disk "[IIBVICSAN01-SAS1-1] IIBSBS/IIBSBS_1-flat.vmdk" using "Network"
9/17/2010 9:47:28 PM: Performing incremental back up of disk "[IIBVICSAN01-SAS1-1] IIBSBS/IIBSBS_2-flat.vmdk" using "Network"
9/17/2010 9:49:05 PM: Execution completed successfully

9/17/2010 9:49:05 PM: Completed: 9 files, 514.6 GB
9/17/2010 9:49:05 PM: Performance: 4879.8 MB/minute
9/17/2010 9:49:05 PM: Duration: 01:49:01 (00:01:02 idle/loading/preparing)

Code:
cat /tmp/vdrlog-IIBVICDMS01.txt
9/17/2010 8:00:05 PM: Normal backup using VDRBACKUPS (Execution unit 12)
9/17/2010 8:01:49 PM: Copying IIBVICDMS01
9/17/2010 8:01:56 PM: Performing incremental back up of disk "[IIBVICSAN01-SATA1-1] IIBVICDMS01/IIBVICDMS01-000002-flat.vmdk" using "Network"
9/17/2010 8:06:06 PM: Performing incremental back up of disk "[IIBVICSAN01-SATA1-1] IIBVICDMS01/IIBVICDMS01_1-000002-flat.vmdk" using "Network"
9/17/2010 8:19:00 PM: Execution completed successfully

9/17/2010 8:19:00 PM: Completed: 7 files, 790.1 GB
9/17/2010 8:19:00 PM: Performance: 47446.3 MB/minute
9/17/2010 8:19:00 PM: Duration: 00:18:54 (00:01:50 idle/loading/preparing)

Code:
cat /tmp/vdrlog-IIBVICMA01.txt
9/17/2010 8:00:04 PM: Normal backup using VDRBACKUPS (Execution unit 11)
9/17/2010 8:01:06 PM: Copying IIBVICMA01
9/17/2010 8:01:14 PM: Performing incremental back up of disk "[IIBVICSAN01-SAS1-1] IIBVICMA01/IIBVICMA01-flat.vmdk" using "Network"
9/17/2010 8:26:23 PM: Performing incremental back up of disk "[IIBVICSAN01-SATA1-1] IIBVICMA01/IIBVICMA01-flat.vmdk" using "Network"
9/17/2010 8:36:39 PM: Execution completed successfully

9/17/2010 8:36:39 PM: Completed: 7 files, 362.1 GB
9/17/2010 8:36:39 PM: Performance: 10461.5 MB/minute
9/17/2010 8:36:39 PM: Duration: 00:36:35 (00:01:09 idle/loading/preparing)

I previously had great help from Franklink52 in this thread which is what was using to grab the sections but I am updating the script so it accounts for situations where sometimes the backup will run more than once or if errors occur in the backup.
 

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