![]() faulttolerancecase |
Introduction to writing spiders and agents |
![]() faulttoleranceproactive |
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Fault Tolerance: Look for redirects in headers | ||
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function get_first_page($URL) | ||
{ | ||
$header = `c:\curl\curl --head $URL`; | ||
$parsed = inclusive_parse( | ||
$string=$header, | ||
$start="Location: ", | ||
$end="\n", | ||
$max_span=50 | ||
); | ||
return $parsed[0]; | ||
} |