>> I wonder why perl 5.26.2 on macos 10.13.4 ignores my local copy of B at b.pm

> I don't think that's actually happening.
> On a case-sensitive system (which yours is ?) "use B;" will not load b.pm because of the case mismatch.

You are right that 5.26.2 is not ignoring b.pm on my old system, but believe it or not it IS using b.pm, and since the version matched it worked. On my new box 5.38.2 was also trying to use b.pm so I renamed it and the problem evaporated. I'm not using apache on the new box yet, even though macs come with 2.4.56 included, but morbo is not bothered by b.pm for some reason.

I don't know why but on macOS you can type perldoc data::dumper and it will work, but on Linux you must spell it Data::Dumper. You can also use lowercase module names when using them in one liners for OO modules, but to call functions you must use the proper case: 

perl -Mdata::dumper -we'$d=Data::Dumper->new(\@ARGV);print$d->Dump' fo
+o bar

[download]
$VAR1 = 'foo';
$VAR2 = 'bar';
perl -Mdata::dumper -we'print Dumper(\@ARGV)' foo bar

[download]
Undefined subroutine &main::Dumper called at -e line 1.

In reply to Re^4: object version does not match by Anonymous Monk
in thread object version does not match by Anonymous Monk

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