Difference between revisions of "Configuration File"

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= Configuration File =
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Crawler's personalities are often configured by means of configuration files.
  
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Crawler's personalities are driven to a great extent by means of configuration files.  
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There is no hard rule that dictates what format these configuration files should use. They could be text files, [[INI file|''INI files'']], XML-based files,...
  
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There is no hard rule that dictates how these configuration files should be created - they could be text files, INI-files, XML-based files,...
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Because [[INI file|''INI files'']] are easy to understand for end-users, most of the pre-made personalities use INI-based configuration files.
  
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Because .INI files are easy to understand for end-users, most of the pre-made personalities use .INI-based configuration files.
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For more popular personalities, GUI-driven configuration tools might be provided, but in many cases, the GUI-development will lag behind on the functionality, in which case the next easiest method to (re)configure a Crawler personality is to edit one or more configuration files.
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For more popular personalities, GUI-driven configuration tools might be provided, but in many cases, the GUI-development might lag, in which case the next easiest method to (re)configure a Crawler personality is to edit one or more configuration files.
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== INI file ==
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Basic INI files are a loosely defined de-facto standard; more info can be found [http://en.wikipedia.org/wiki/INI_file ''here''].
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The Crawler INI files have the following properties:
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* Section and entry names are case-insensitive by default (but Crawler has built-in support for case-sensitive INI files should the need arise).
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* Comment lines are supported. Prefixing a line with a '#' or a ';' makes it a comment line. In-line comments are not supported: a single line is either a comment line or it is not - comments on lines with data are not supported. For example:
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<pre>
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entry = test # test
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</pre>
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means to set ''entry'' to ''"test # test"''
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* Blank lines are allowed (and ignored)
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* If an INI file is missing a section, then any entries without section are assumed to be in a default section ''[main]''
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* Duplicate names are allowed, and provide an 'override' mechanism. If an entry appears twice, the second appearance will 'win'.
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Latest revision as of 00:22, 28 December 2013

Crawler's personalities are often configured by means of configuration files.

There is no hard rule that dictates what format these configuration files should use. They could be text files, INI files, XML-based files,...

Because INI files are easy to understand for end-users, most of the pre-made personalities use INI-based configuration files.

For more popular personalities, GUI-driven configuration tools might be provided, but in many cases, the GUI-development will lag behind on the functionality, in which case the next easiest method to (re)configure a Crawler personality is to edit one or more configuration files.

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