Rosetta Code/List authors of task descriptions: Difference between revisions
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Please '''DO NOT''' add a full output for ''each'' programming language; just show a representative sample. For an full listing, see [[Rosetta_Code/List_authors_of_task_descriptions/Full_list]]. |
Please '''DO NOT''' add a full output for ''each'' programming language; just show a representative sample. For an full listing, see [[Rosetta_Code/List_authors_of_task_descriptions/Full_list]]. |
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=={{header|Go}}== |
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<lang go>package main |
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import ( |
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"fmt" |
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"io/ioutil" |
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"net/http" |
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"regexp" |
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"sort" |
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"strings" |
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) |
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type authorNumber struct { |
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author string |
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number int |
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} |
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func main() { |
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ex1 := `<li><a href="/wiki/(.*?)"` |
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ex2 := `a href="/(wiki/User:|mw/index\.php\?title=User:|wiki/Special:Contributions/)([^"&]+)` |
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re1 := regexp.MustCompile(ex1) |
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re2 := regexp.MustCompile(ex2) |
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url1 := "http://rosettacode.org/wiki/Category:Programming_Tasks" |
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url2 := "http://rosettacode.org/wiki/Category:Draft_Programming_Tasks" |
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urls := []string{url1, url2} |
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var tasks []string |
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for _, url := range urls { |
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resp, _ := http.Get(url) |
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body, _ := ioutil.ReadAll(resp.Body) |
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matches := re1.FindAllStringSubmatch(string(body), -1) |
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resp.Body.Close() |
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for _, match := range matches { |
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tasks = append(tasks, match[1]) |
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} |
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} |
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authors := make(map[string]int) |
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for _, task := range tasks { |
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page := fmt.Sprintf("http://rosettacode.org/mw/index.php?title=%s&dir=prev&action=history", task) |
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resp, _ := http.Get(page) |
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body, _ := ioutil.ReadAll(resp.Body) |
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matches := re2.FindAllStringSubmatch(string(body), -1) |
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resp.Body.Close() |
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author := matches[len(matches)-1][2] |
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author = strings.ReplaceAll(author, "_", " ") |
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authors[author]++ |
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} |
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authorNumbers := make([]authorNumber, 0, len(authors)) |
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for k, v := range authors { |
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authorNumbers = append(authorNumbers, authorNumber{k, v}) |
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} |
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sort.Slice(authorNumbers, func(i, j int) bool { |
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return authorNumbers[i].number > authorNumbers[j].number |
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}) |
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fmt.Println("Total tasks :", len(tasks)) |
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fmt.Println("Total authors :", len(authors)) |
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fmt.Println("\nThe top 20 authors by number of tasks created are:\n") |
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fmt.Println("Pos Tasks Author") |
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fmt.Println("=== ===== ======") |
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lastNumber, lastIndex := 0, -1 |
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for i, authorNumber := range authorNumbers[0:20] { |
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j := i |
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if authorNumber.number == lastNumber { |
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j = lastIndex |
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} else { |
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lastIndex = i |
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lastNumber = authorNumber.number |
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} |
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fmt.Printf("%2d: %3d %s\n", j+1, authorNumber.number, authorNumber.author) |
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} |
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}</lang> |
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{{out}} |
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As of 10th January 2020: |
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<pre> |
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Total tasks : 1222 |
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Total authors : 282 |
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The top 20 authors by number of tasks created are: |
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Pos Tasks Author |
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=== ===== ====== |
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1: 176 Paddy3118 |
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2: 71 Markhobley |
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3: 59 Gerard Schildberger |
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4: 55 Mwn3d |
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5: 39 NevilleDNZ |
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6: 34 Short Circuit |
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7: 30 Nigel Galloway |
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8: 25 Thundergnat |
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9: 23 Grondilu |
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10: 21 Dkf |
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11: 20 Blue Prawn |
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11: 20 Fwend |
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13: 19 CalmoSoft |
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14: 18 Kernigh |
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15: 17 ShinTakezou |
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15: 17 Ledrug |
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17: 16 Dmitry-kazakov |
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18: 13 Paulo Jorente |
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18: 13 Waldorf |
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18: 13 Abu |
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</pre> |
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=={{header|Perl 6}}== |
=={{header|Perl 6}}== |
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