See split. You can give an extra argument called LIMIT: 
 my @array =  split m/,/ , $_, -1;

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From perldoc -f split:
If LIMIT is negative, it is treated as if it were instead arbitrarily large; as many fields as possible are produced.

In reply to Re: How to differentiate an empty array from an unitialized one? by tinita
in thread How to differentiate an empty array from an unitialized one? by iatros

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