#'Scrape monthly Youtube statistics from socialblade.com
#'
#'
#'@param url will only work with https://socialblade.com/youtube/user.../monthly links
#'
#'@keywords youtube socialblade
#'@export
#'@examples
#'sbscrape_youtube("https://socialblade.com/youtube/user/pewdiepie/monthly")
sbscrape_youtube<-function(url){
# require(rvest,quietly = TRUE)
# require(lubridate,quietly=TRUE)
tryCatch(
{
pipeit<-function(url,code){
read_html(url)%>%html_nodes(code)%>%html_text()
}
cv<-pipeit(url,
"div div div div div:nth-child(4) div:nth-child(2)")
cv<-cv[-c(1:3)]
cs<-pipeit(url,
"div div div:nth-child(1) div div:nth-child(3) div:nth-child(2)")
cs<-cs[-c(1:3,34)]
dates<-c()
for(i in 1:30){
dates[i]<-Sys.Date()-i+1
}
dates<-rev(as_date(dates))
cv<-as.numeric(sapply(as.character(cv),
function(x) gsub(",","",x)))
cs<-as.numeric(sapply(as.character(cs),
function(x) gsub(",","",x)))
ern<-pipeit(url,"div div div div div:nth-child(5)")
ern<-ern[sapply(ern,function(x)grepl("\\$",x))]
ern<-sapply(ern,function(x)gsub("\n","",x))
data.frame(Date=dates,"Culmulative Subs"=cs,"Culmulative Views"=cv,"Estimated Earnings"=ern)
},
error=function(error_message){
message("Error in sbscrape_youtube: Please enter valid url. ")
message("sbscrape will only work with https://socialblade.com/youtube/user/.../monthly links")
})
}
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