Is wget or similar programs always available on POSIX systems?
问题 Is there an HTTP client like wget/lynx/GET that is distributed by default in POSIX or *nix operating systems that could be used for maximum portability? I know most systems have wget or lynx installed, but I seem to remember installing some Ubuntu server systems using default settings and they had neither wget or lynx installed in the base package. I am writing a shell script for Linux (and probably Mac) to install a piece of software onto the computer. To prevent having to distribute a