On Dec 02, 2012, at 04:22 PM, Игорь Пашев wrote:
>2012/12/2 Vincent Lefevre <vinc...@vinc17.net>:
>> No, that's not sufficient. You may want relations between key-value
>> pair. For instance, if you have a line with a key "foo", then a line
>> with a key "bar" must also exist. Or a line with a key "number" must
>> have a value that is a number (more generally matching some regexp).
>
>For such configs general programming languages are good.
>
>E. g. perl:
>
>$foo = "wtf";
>
>if ($foo && !$bar) {
>ohshit(...);
>}It's appealing, but not really a good option. For example, over the years we've had many users confused with GNU Mailman's configuration file, which for versions < 3 was a Python file. People would put quotes in unnecessary places (e.g. turning an int into a string), or forget one of the three closing triple quotes for multi-line options, etc. There's really no reason to expect a system administrator to be a Python or Perl programmer in order to configure your system. For Mailman 3 we switched to an ini file, and while that version is still in beta and hasn't gotten nearly the same real-world exposure yet, I'm convinced that it will be easier for end-users to manipulate than either Python or XML syntax. Cheers, -Barry
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