7
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1 |
val http_pattern = """\"https?://[^\"]*\"""".r
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val my_urls = """urbanc""".r
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val email_pattern =
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"""([a-z0-9_\.-]+)@([\da-z\.-]+)\.([a-z\.]{2,6})""".r
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5 |
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def crawl(url: String, n: Int) : Unit = {
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if (n == 0) ()
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else {
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9 |
println("Visiting: " + n + " " + url)
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val page = get_page(url)
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println(email_pattern.findAllIn(page).mkString("\n"))
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for (u <- get_all_URLs(page)) crawl(u, n - 1)
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}
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14 |
}
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