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03-04-2008
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Handle Configuration File with same name of Parameter in multiple Sections
Hi
I have a config file with multiple section and a parameter with the same name in each section. I need to read each parameter for distinct section. [Section1] Parameter = 1 .... [Section2] Parameter = 2 .... [Section3] Parameter = 4 .... Tried this: grep -m1 '^[^#][:space:]*ProcessorsNumber' ServiceBrokerFramework.cfg | awk -F" = " '{print $2}' but the output is only the first occurence found in the config file. Thanks, Bianca 
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03-04-2008
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It would be easier if you post a real sample of the input file and the desired output.
Regards
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03-04-2008
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Config File example
[Billing]
LocalIPAddress = 192.168.1.116 ProcessorsNumber = 1 [Plugins] LocalIPAddress = 192.168.2.116 ProcessorsNumber = 2 [Statistics] LocalIPAddress = 192.168.3.116 ProcessorsNumber = 1 I manage to read like this: BILLPROCESSORSNUMBER=`grep -m1 '^[^#][:space:]*ProcessorsNumber' $OLD_CFG | awk -F" = " '{print $2}' |tail -1` PLUGINPROCESSORSNUMBER=`grep -m2 '^[^#][:space:]*ProcessorsNumber' $OLD_CFG | awk -F" = " '{print $2}' |tail -1` STATPROCESSORSNUMBER=`grep -m3 '^[^#][:space:]*ProcessorsNumber' $OLD_CFG | awk -F" = " '{print $2}' |tail -1` But I'm worried if the sections in the config file will switch and the order not preserved ... then the grep -mX and tail will not give me the proper value for the section/parameter I want. I want to read this values and later to write them back in the new config file with: sed -e "/\[Billing\]/,/^[^#][:space:]*ProcessorsNumber =/ s-\(^[^#][:space:]*ProcessorsNumber = \)\([^#]*\)-\1$BILLPROCESSORSNUMBER-1" \ This sed works. So it is alll about how to read correct from the file. Thanks Bianca
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03-05-2008
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Try this:
Code:
BILLPROCESSORSNUMBER=`awk -v file=$OLD_CFG '/Billing/ {getline;getline;print $3}' file`
PLUGINPROCESSORSNUMBER=`awk -v file=$OLD_CFG '/Plugins/ {getline;getline;print $3}' file`
STATPROCESSORSNUMBER=`awk -v file=$OLD_CFG '/Statistics/ {getline;getline;print $3}' file`
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03-05-2008
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This doesn't work because the config file has many lines (text and other parameters) in between and the parameters position is not fixed.
[Billing] #texttex LocalIPAddress = 192.168.1.116 Another Parameter = xxx ProcessorsNumber = 1 [Plugins] ProcessorsNumber = 2 #text text LocalIPAddress = 192.168.2.116 [Statistics] #text text #text text LocalIPAddress = 192.168.3.116 #text text ProcessorsNumber = 1
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