>The first one looks wrong to me: > > # perl -wle \'$f = "-fo"; print -$f\' > +fo > # perl -wle \'$f = "-NaN"; print -$f\' > +NaN > >Ugh. You learn to find some dusted, obscure Perl corner every day... > This behavior is clearly documented in perlop:
"if the string starts with a plus or minus, a string starting with the opposite sign is returned" I'm more interested in the problems 1 and 3.
