in reply to Useless use of string eq
$cust = (split(/-/, $ARGV));
That may admit bogus customers that don't exist, or that the program cannot deal with. It may be wiser to spell out exactly what is legal.
(my $cust = $ARGV) =~ s/^-(SMC|SBM|FET|China)$/$1/
or die "garbage in second arg: <$ARGV>\n";
• another intruder with the mooring in the heart of the Perl
Electric eels were invented at the same time as electricity
Before electricity was invented, electric eels had to stun with gas
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