[英]R multiple functions into lapply
I have a list of urls in a character vector and I want to pause the process between queries because if not the x queries is rejected. 我有一个字符向量中的URL列表,我想暂停查询之间的过程,因为如果不是x查询被拒绝。
urls=c('url1','url2','url3')
here is want I want to do 这是我想做的
htmlpages=lapply(urls,function(x) readLines(x) Sys.sleep(0.3))
As Justin suggested, formatting is the key. 正如贾斯汀所说,格式化是关键。
htmlpages = lapply(
urls,
function(x)
{
y <- readLines(x)
Sys.sleep(0.3)
y
}
)
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