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Shell programmingShell programmingPosted Dec 8, 2012 22:52 UTC (Sat) by man_ls (subscriber, #15091)In reply to: Shell programming by Cyberax Parent article: Quotes of the week Neither does the POSIX spec mention ssh, rsync, wget, curl, less or a myriad of other commands in widespread use. Yet using them in scripts is easily forgiven; each command maintains excellent backwards compatibility on its own.
For your Mac OS X, I believe that
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Shell programming Posted Dec 8, 2012 23:26 UTC (Sat) by davidescott (guest, #58580) [Link]
What is this "less" you speak of? Maybe you are confused, the proper command is "more." Also what is this "ssh" do you mean "rsh?"
GNU has done an impressive job of unifying the *nix with a set of common tools, and the fact that someone can "brew install coreutils" and get a bunch of useful binaries is a testament to the value of the work GNU has done. BUT...
That does not mean that "shell" is the best language, it just means that shell is the least common denominator for interacting with a diverse set of programs (and it has served *nix well). Text input/output, flags for program options, silence is success, integer return codes, etc... As programs mature they get split into libraries, and those libraries get external interfaces to other languages like python/ruby/etc...
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