Brother snafu, I fear you have stumbled onto a series of incantions that appear to work, but that you still do not understand the underlying problem. Consider:   eval {join(',', @args), return(@args)} has the same affect as   eval {return(@args)} since the join() has no side-effect. In turn, these have the same effect as     eval {@args} and   @args

The execute() method wants distinct arguments ie execute(arg1,arg2,arg3) vs execute(qw(arg1,arg2,arg3)) which is the same, of course, as execute(@args).

if @args hold (1,2,3), then

• execute(1,2,3);
• execute(qw(1 2 3));
• execute(@args)

are equivalent, but

• execute(qw(1,2,3));

is not equivalent, since qw(1,2,3) is an list that contains a single element. It's the whitespace that's significant in qw(), not the commas.

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