112 lines
2.0 KiB
R
Executable File
112 lines
2.0 KiB
R
Executable File
#
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# Common errors
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# -------------
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# 400 Bad Request
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# 403 Forbidden (e.g. Nature website)
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# 404 Not Found
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# 501 Not Implemented
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# 999 LinkedIn being defensive
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#
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library(httr)
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library(stringr)
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f <- "check.log"
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if (!file.exists(f)) {
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u <- str_c(
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"https://raw.githubusercontent.com/",
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"briatte/awesome-network-analysis/",
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"master/README.md"
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)
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cat("Source:", u, "\n")
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u <- GET(u) %>%
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content("text") %>%
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str_split("\\n") %>% # so as to find [foo]: bar links
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unlist()
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# remove links that have been commented out
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u <- str_remove_all(u, "<!--.*?-->")
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# total number of links (made to match web.archive.org links only once)
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t <- sum(str_count(u, "(?<!/)http"))
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cat(t, "URLs, ")
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l <- c(
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# [foo](bar)
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str_extract_all(u, "\\(http(.*?)\\)") %>%
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lapply(str_replace_all, "^\\(|\\)$", "") %>%
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unlist(),
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# [foo]: bar
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str_extract_all(u, "^\\[(.*)\\]: (.*)") %>%
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unlist() %>%
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str_replace("^\\[(.*)\\]: (.*)", "\\2")
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)
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stopifnot(length(l) == t)
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} else {
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cat("Source:", f, "\n")
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l <- str_subset(stringi::stri_read_lines(f), "^http")
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cat(length(l), "URLs, ")
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}
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l <- str_squish(sort(unique(l)))
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cat(length(l), "unique\n")
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cat("Ignoring", sum(str_detect(l, "^https://doi.org/")), "DOIs\n")
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l <- str_subset(l, "^https://doi.org/", negate = TRUE)
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sink(f, append = FALSE)
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cat(as.character(Sys.time()), ": checking", length(l), "URLs\n\n")
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sink()
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for (i in l) {
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x <- try(status_code(GET(i)), silent = TRUE)
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if (!"try-error" %in% class(x) && x != 200) {
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cat("X")
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sink(f, append = TRUE)
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cat(i, "\nStatus code:", x, "\n\n")
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sink()
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} else if ("try-error" %in% class(x)) {
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cat("?")
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sink(f, append = TRUE)
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cat(i, "\nFailed to access\n\n")
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sink()
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} else {
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cat(".")
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}
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if (!which(l == i) %% 50) {
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cat("", length(l) - which(l == i), "left\n")
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}
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}
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sink(f, append = TRUE)
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f <- sum(str_count(stringi::stri_read_lines(f), "^http"))
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cat(as.character(Sys.time()), ": done,", f, "errors.\n")
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sink()
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cat("\n", f, "errors\n")
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