cURL is a command line tool and a library (libcurl) for transferring data over sockets. It supports a great number of protocols: HTTP, HTTPS, FTP, SCP, Gopher, and others.

Wrapper for curl(1)

dbohdan 2018-04-06: A simple Tcl 8.5+ and Jim Tcl wrapper for the command-line curl client can be found at . It translates cURL's HTTP errors to errorcodes like CURL HTTP 404, which you can trap individually with try.