R: picture file not supported in a webscrape
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I'm new to here. the ambient is R, I structured a simple web-scrape with rvest
to pick up some images. When I save it into my folder it tells me that the file is not supported. Anybody know why?
library(rvest)
url <- "http://x.yupoo.com/photos/05941188/albums"
imgsrc <- read_html(url) %>%
html_node(xpath = '//*/img') %>%
html_attr('src')
download.file(
paste0(url, imgsrc), destfile = 'myimage.jpg', method="curl"
)
r image
add a comment |
I'm new to here. the ambient is R, I structured a simple web-scrape with rvest
to pick up some images. When I save it into my folder it tells me that the file is not supported. Anybody know why?
library(rvest)
url <- "http://x.yupoo.com/photos/05941188/albums"
imgsrc <- read_html(url) %>%
html_node(xpath = '//*/img') %>%
html_attr('src')
download.file(
paste0(url, imgsrc), destfile = 'myimage.jpg', method="curl"
)
r image
Welcome to SO. First, just making sure you knowhtml_node()
will return only one node vshtml_nodes()
which will return all found nodes. Next, did you look at the contents ofimgsrc
before you used it in thepaste0()
? It's value is"https://upzip.b0.upaiyun.com/website/4.4.22/imgs/logo_3.png"
so you are — in effect — creating an invalid URL reference to a non-existent resource with thepaste0()
– hrbrmstr
Nov 23 '18 at 17:32
thank you for the answer! so for you which would be the exact code to extract one of those images?
– Niccolò Salvini
Nov 26 '18 at 23:58
add a comment |
I'm new to here. the ambient is R, I structured a simple web-scrape with rvest
to pick up some images. When I save it into my folder it tells me that the file is not supported. Anybody know why?
library(rvest)
url <- "http://x.yupoo.com/photos/05941188/albums"
imgsrc <- read_html(url) %>%
html_node(xpath = '//*/img') %>%
html_attr('src')
download.file(
paste0(url, imgsrc), destfile = 'myimage.jpg', method="curl"
)
r image
I'm new to here. the ambient is R, I structured a simple web-scrape with rvest
to pick up some images. When I save it into my folder it tells me that the file is not supported. Anybody know why?
library(rvest)
url <- "http://x.yupoo.com/photos/05941188/albums"
imgsrc <- read_html(url) %>%
html_node(xpath = '//*/img') %>%
html_attr('src')
download.file(
paste0(url, imgsrc), destfile = 'myimage.jpg', method="curl"
)
r image
r image
edited Nov 23 '18 at 17:29
hrbrmstr
62.1k694155
62.1k694155
asked Nov 23 '18 at 17:26
Niccolò SalviniNiccolò Salvini
12
12
Welcome to SO. First, just making sure you knowhtml_node()
will return only one node vshtml_nodes()
which will return all found nodes. Next, did you look at the contents ofimgsrc
before you used it in thepaste0()
? It's value is"https://upzip.b0.upaiyun.com/website/4.4.22/imgs/logo_3.png"
so you are — in effect — creating an invalid URL reference to a non-existent resource with thepaste0()
– hrbrmstr
Nov 23 '18 at 17:32
thank you for the answer! so for you which would be the exact code to extract one of those images?
– Niccolò Salvini
Nov 26 '18 at 23:58
add a comment |
Welcome to SO. First, just making sure you knowhtml_node()
will return only one node vshtml_nodes()
which will return all found nodes. Next, did you look at the contents ofimgsrc
before you used it in thepaste0()
? It's value is"https://upzip.b0.upaiyun.com/website/4.4.22/imgs/logo_3.png"
so you are — in effect — creating an invalid URL reference to a non-existent resource with thepaste0()
– hrbrmstr
Nov 23 '18 at 17:32
thank you for the answer! so for you which would be the exact code to extract one of those images?
– Niccolò Salvini
Nov 26 '18 at 23:58
Welcome to SO. First, just making sure you know
html_node()
will return only one node vs html_nodes()
which will return all found nodes. Next, did you look at the contents of imgsrc
before you used it in the paste0()
? It's value is "https://upzip.b0.upaiyun.com/website/4.4.22/imgs/logo_3.png"
so you are — in effect — creating an invalid URL reference to a non-existent resource with the paste0()
– hrbrmstr
Nov 23 '18 at 17:32
Welcome to SO. First, just making sure you know
html_node()
will return only one node vs html_nodes()
which will return all found nodes. Next, did you look at the contents of imgsrc
before you used it in the paste0()
? It's value is "https://upzip.b0.upaiyun.com/website/4.4.22/imgs/logo_3.png"
so you are — in effect — creating an invalid URL reference to a non-existent resource with the paste0()
– hrbrmstr
Nov 23 '18 at 17:32
thank you for the answer! so for you which would be the exact code to extract one of those images?
– Niccolò Salvini
Nov 26 '18 at 23:58
thank you for the answer! so for you which would be the exact code to extract one of those images?
– Niccolò Salvini
Nov 26 '18 at 23:58
add a comment |
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Welcome to SO. First, just making sure you know
html_node()
will return only one node vshtml_nodes()
which will return all found nodes. Next, did you look at the contents ofimgsrc
before you used it in thepaste0()
? It's value is"https://upzip.b0.upaiyun.com/website/4.4.22/imgs/logo_3.png"
so you are — in effect — creating an invalid URL reference to a non-existent resource with thepaste0()
– hrbrmstr
Nov 23 '18 at 17:32
thank you for the answer! so for you which would be the exact code to extract one of those images?
– Niccolò Salvini
Nov 26 '18 at 23:58