install curl and readr on R

r curl

I solved the problem on Ubuntu 14.04 by using this command

sudo apt-get install libcurl4-openssl-dev

Future users can search for the latest libcurl using:
apt-cache search libcurl

r curl

The actual problem is:

File curl.h not found.

R suggests a solution:

Make sure the curl development library is installed, e.g. libcurl4-openssl-dev (deb) or libcurl-devel (rpm)

So, try:

sudo yum -y install libcurl-devel

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