quite new to awk and data manipulation but have got stuck and was looking for some help.
have a file: Ntab.txt which is a sample file of two hosts, there is numerous hosts in the real file one after each other.
Each host has multiple "displayName"s (addresses) with corresponding figures for each 'displayName'.
>cat Ntab.txt
name devtwr1
displayName 00:67:BB
capacityInKB 104,857,600
consumedCapacityInKB 4,042,752
dpPoolID 20
displayName 00:7B:FD
capacityInKB 52,428,800
consumedCapacityInKB 14,880,768
dpPoolID 10
displayName 00:7C:28
capacityInKB 34,179,712
consumedCapacityInKB 29,804,544
dpPoolID 20
displayName 00:7C:29
capacityInKB 34,179,712
consumedCapacityInKB 5,462,016
dpPoolID 20
name devtwr2
displayName 00:67:BB
capacityInKB 104,857,600
consumedCapacityInKB 4,042,752
dpPoolID 20
displayName 00:7B:FD
capacityInKB 52,428,800
consumedCapacityInKB 14,880,768
dpPoolID 10
displayName 00:7C:28
capacityInKB 34,179,712
consumedCapacityInKB 29,804,544
dpPoolID 20
displayName 00:7C:29
capacityInKB 34,179,712
consumedCapacityInKB 5,462,016
dpPoolID 20I need to be able to produce the $2 data from the rows into columns after each 'name' (host) and in csv type format, headings optional. I cant use (,:) as separators as the data includes them so either (tab or ;).
Like:
name;displayName;capacityInKB;consumedCapacityInKB;dpPoolID
devtwr1;00:67:BB;104,857,600;4,042,752;20
;00:7B:FD;52,428,800;14,880,768;10
;00:7C:28;34,179,712;29,804,544;20
;00:7C:29;34,179,712;5,462,016;20
devtwr2;00:67:BB;104,857,600;4,042,752;20
;00:7B:FD;52,428,800;14,880,768;10
;00:7C:28;34,179,712;29,804,544;20
;00:7C:29;34,179,712;5,462,016;20Hope someone can help.
You asked for awk, and should accept John1024's solution if it works for you. But this is the sort of problem where I would reach for Perl instead. This is one solution in that language. It has a slight advantage (IMO) in that it is not dependent upon the specific order of the fields in each record, apart from displayName signalling the start of a new set.
$ perl -lane '
BEGIN {
@fields = qw(name displayName capacityInKB consumedCapacityInKB dpPoolID);
print join ";", @fields;
}
if (/^(name|displayName)/ && $data{displayName}) {
print join ";", @data{@fields};
%data = ( name => $data{name} );
}
$data{$F[0]} = $F[1];
END {
print join ";",@data{@fields};
}' ntab.txt
Output:
name;displayName;capacityInKB;consumedCapacityInKB;dpPoolID
devtwr1;00:67:BB;104,857,600;4,042,752;20
devtwr1;00:7B:FD;52,428,800;14,880,768;10
devtwr1;00:7C:28;34,179,712;29,804,544;20
devtwr1;00:7C:29;34,179,712;5,462,016;20
devtwr2;00:67:BB;104,857,600;4,042,752;20
devtwr2;00:7B:FD;52,428,800;14,880,768;10
devtwr2;00:7C:28;34,179,712;29,804,544;20
devtwr2;00:7C:29;34,179,712;5,462,016;20
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