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Forum: Shell Programming and Scripting 12-17-2011

Iterating over a list using awk, when variable

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Try this: $ gawk 'NR==FNR{ a[$1] += $3;...

Try this:

$ gawk 'NR==FNR{ a[$1] += $3; b[$1]++} NR!=FNR{ for(key in a) {if($1==key)print key,a[key]/b[key]}}' /tmp/1 /tmp/2
Mam189 72.4167
Mam426 78.6133

I used the following sample files:

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