For example, for host names starting with "ftp." curl will assume you want to speak FTP. It will then default to HTTP but try other protocols based on often - used host name prefixes. Like in " If you specify URL without protocol :// prefix, curl will attempt to guess what protocol you might want. Provide the IPv6 zone index in the URL with an escaped percentage sign and the interface name. This also goes for other characters treated special, like for example '&', '?' and '*'. You can specify multiple URLs or parts of URLs by writing part sets within braces and quoting the URL as in : " or you can get sequences of alphanumeric series by using as in : ".txt" ".txt" ( with leading zeros ) ".txt" Nested sequences are not supported, but you can use several ones next to each other : "/vol/part sequences when invoked from a command line prompt, you probably have to put the full URL within double quotes to avoid the shell from interfering with it. You find a detailed description in RFC 3986. URL The URL syntax is protocol - dependent. curl is powered by libcurl for all transfer - related features. As you will see be ‐ low, the number of features will make your head spin. curl offers a busload of useful tricks like proxy support, user authentication, FTP upload, HTTP post, SSL connections, cookies, file transfer resume and more.
The command is designed to work without user interaction.
It supports these protocols : DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. DESCRIPTION curl is a tool for transferring data from or to a server.
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