And then you need several different environments and/or languages so you get to Do It A Different Way.

Sigh. It's difficult to crack the concrete one gets snared in it. I like Perl for this reason, in that it's hard to get set in the concrete, but the more I get into Perl the more I am horrified about it. Call it an old crusty C programmer blather, but Perl shorthands curl my remaining hair.