You can even add the comma into the glob, so the result is more like the one requested.

$ perl -e '$,=$\=$/; print glob( "{A,B},{1,2},z" );'
A,1,z
A,2,z
B,1,z
B,2,z
$

[download]

Sometimes I wonder, why I usually avoid glob...

edit: minor code changes

In reply to Re^2: Generate Matrix in perl by linuxer
in thread Generate Matrix in perl by cs08

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