I would heavily recommend either perldl or pdl2 as REPLs, over the Perl debugger, because it's more specifically set up for PDL stuff; they both load PDL and PDL::NiceSlice, have a help system, a demo system, and facilitate multi-line commands including copy-paste support.

In reply to Re^3: RFC: 101 Perl PDL Exercises for Data Analysis by etj
in thread RFC: 101 Perl PDL Exercises for Data Analysis by thechartist

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