我想按照这些非常清晰和简单的说明创建一个包,https://hilaryparker.com/2014/04/29/writing-an-r-package-from-scratch/然而,当以下函数不在包中时它可以工作,但当它在包中时不起作用。
要重现此过程,请在默认文件夹中运行以下命令:Step 1
library("devtools")
library(roxygen2)
create_package("poweR")
这将把您带到一个新窗口,并在该窗口中:Step 2
exploit_url.R:创建此包并将其复制到包的R文件夹中
#' @import data.table
exploit_url <- function(df, href, target, anchor, new_col) {
return(df[, (new_col) := paste0("<a href='", df[[href]], "' target='", target, "'>", df[[anchor]], "</a>", "<br>")][, c(1, 3:6, 8)])
}
然后在创建文件并将文件复制/保存到包的R文件夹后,执行以下命令:
library(devtools)
use_package("data.table")
document()
build()
install()
关闭该窗口并返回到窗口步骤1
library("poweR")
library(data.table)
DT <- structure(list(cveid = c("CVE-2008-4726", "CVE-2018-18798", "CVE-2001-0791",
"CVE-2005-1823"), EDB_ID = c("6804", "45727", "20893", "25766"
), Type = c("remote", "webapps", "remote", "webapps"),
Platform = c("Windows","PHP", "Windows", "PHP"),
E_DB_Verified = c("Verified", "Waiting verification", "Verified", "Verified"),
E_DB_Published = c("2008-10-22", "2018-10-29", "2001-05-24", "2005-05-30"),
url = c("https://www.exploit-db.com/exploits/6804/","https://www.exploit-db.com/exploits/45727/",
"https://www.exploit-db.com/exploits/20893/", "https://www.exploit-db.com/exploits/25766/")),
class = c("data.table", "data.frame"), row.names = c(NA, -4L))
DT <- exploit_url(DT, "url", '_blank', "E_DB_Verified", "exploitdburl")
我得到以下错误:
Error in exploit_url(DT, "url", "_blank", "E_DB_Verified", "exploitdburl") :
could not find function "exploit_url"
我是不是漏掉了什么?欢迎提出任何建议。
发布于 2019-06-24 02:52:42
根据@jangorecki
的评论解决了这个问题。
https://stackoverflow.com/questions/56720520
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