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September 29, 2015, 23:56

Cartesian Product

join -1 2 -2 2 <(echo ${${1//,/\\n}//({|})/}) <(echo ${${2//,/\\n}//({|})/})|gsed 's/^ /(/;s/ /,/;s/$/)/;s/\n/,/'|gsed -z 's/\n/,/g;s/^/{/;s/,$/}\n/'<\pre>

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