Shell Programming and Scripting

....
test.log:2015.03.17 06:16:24 >> ABC.generateMethod() MethodAException while processing Request! DataForm: Header ---  dtd: template.dtd, titleName: berger, requestId: 1503170032131, documentName: invoice123, hostName: acme.net, userName: userABC -- Media ---  mediaType: XML, serverName: ABCServer1 -- data section --- ...
.....

titleName: berger
documentName: invoice123
serverName: ABCServer1

#!/bin/bash
fname = test.log
pattern = documentName
if [ -f "$fname" ]
then
    result=$(grep -i "$pattern" "$fname")
    echo "$result"
fi

#!/bin/bash
awk -F', | -{2,3} {1,2}' '
/documentName:/ {
	for(i = 1; i <= NF; i++)
		if($i ~ /^titleName:/)		tn = $i
		else if($i ~ /^documentName:/)	dc = $i
		else if($i ~ /^serverName:/)	sn = $i
	printf("%s\n%s\n%s\n", tn, dc, sn)
}' logfile

titleName: berger
documentName: invoice123
serverName: ABCServer1

awk     'BEGIN                  {n=split("titleName documentName serverName", SEAR)}
         /documentName/         {for (i=1; i<=n; i++)   {match ($0, SEAR[i]": [^, ]*")
                                                         print substr($0, RSTART, RLENGTH)}
                                }
        ' file
titleName: berger
documentName: invoice123
serverName: ABCServer1

test.log:2015.03.17 06:16:24
titleName: berger
documentName: invoice123
serverName: ABCServer1