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Sprog::help::filter_gears.3pm
Langue: en
Version: 2005-05-08 (fedora - 01/12/10)
Section: 3 (Bibliothèques de fonctions)
Sommaire
Filter Gears
Filter gears are where the work gets done in a machine. A filter gear takes data in, transforms it in some way and then passes it down to the input of the next gear.Example Filters
The Pattern Match gear is a simple filter that accepts or rejects lines of data based on whether they match a pattern.The Parse Apache Log gear is a more complex filter that transforms the line-by-line data from the log file into structured records. This transformation is reflected in the fact that the gear's output connector is a different type to its input connector.
See also: input gears, output gears
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