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Extract doi from bibtex R
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| dt <- knitcitations::read.bibtex("foo.bib") | |
| dt <- dt[grep("doi", tolower(dt)),] | |
| res <- stringr::str_extract(dt, "(?=10)(.*?)(?<=\\s)") | |
| res <- as.character(sapply(res, function(x) substring(x, 1, nchar(x) - 3))) | |
| (res <- res[!is.na(res)]) | |
| # paste0("http://dx.doi.org/", res) | |
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