Over millions of application runs, it adds up to hours! But seriously, reading a config file means there has to be a syntax and a parser, and both have to be m

Over millions of application runs, it adds up to hours! But seriously, reading a config file means there has to be a syntax and a parser, and both have to be maintained. The syntax can be limiting or fiendishly complex, both by accident. The parser can have bugs. Is it really worth adding these headaches just so editing your config file is one instead of two commands?