imgur_upload

From knitr v1.7 by Yihui Xie

Upload an image to imgur.com

This function uses the RCurl package to upload a image to imgur.com, and parses the XML response to a list with XML which contains information about the image in the Imgur website.

Usage

imgur_upload(file, key = "9f3460e67f308f6")

Arguments

file: the path to the image file to be uploaded
key: the client id for Imgur (by default uses a client id registered by Yihui Xie)

Details

When the output format from knit() is HTML or Markdown, this function can be used to upload local image files to Imgur, e.g. set the package option opts_knit$set(upload.fun = imgur_upload), so the output document is completely self-contained, i.e. it does not need external image files any more, and it is ready to be published online.

Value

A character string of the link to the image; this string carries an attribute named XML which is a list converted from the response XML file; see Imgur API in the references.

Note

Please register your own Imgur application to get your client id; you can certainly use mine, but this id is in the public domain so everyone has access to all images associated to it.

References

Imgur API version 3: http://api.imgur.com/; a demo: http://yihui.name/knitr/demo/upload/

Examples

f = tempfile(fileext = ".png")
png(f)
plot(rnorm(100), main = R.version.string)
dev.off()

res = imgur_upload(f)
res  # link to original URL of the image
attr(res, "XML")  # all information
if (interactive()) 
    browseURL(res)

# to use your own key
opts_knit$set(upload.fun = function(file) imgur_upload(file, key = "your imgur key"))

Documentation reproduced from package knitr, version 1.7, License: GPL

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