week1 tweaks

[lambda.git] / how_to_get_the_programming_languages_running_on_your_computer.mdwn

diff --git a/how_to_get_the_programming_languages_running_on_your_computer.mdwn b/how_to_get_the_programming_languages_running_on_your_computer.mdwn
index 063957a..935e4a9 100644 (file)
--- a/how_to_get_the_programming_languages_running_on_your_computer.mdwn
+++ b/how_to_get_the_programming_languages_running_on_your_computer.mdwn
@@ -69,7 +69,7 @@ easier and more straightforward for others.
 ## Getting Scheme ##
 
 **Scheme** is one of two major dialects of *Lisp*, which is a large family of
 ## Getting Scheme ##
 
 **Scheme** is one of two major dialects of *Lisp*, which is a large family of

-programming languages. The other dialect is called "CommonLisp." Scheme is the
+programming languages. The other dialect is called "Common Lisp." Scheme is the

 more clean and minimalistic dialect, and is what's mostly used in academic
 circles.
 
 more clean and minimalistic dialect, and is what's mostly used in academic
 circles.
 


@@ -82,9 +82,11 @@ another Scheme implementation, though, there's no compelling reason to switch.)
 
 Since the name change is so recent, you're likely to run across both sets of names.
 
 
 Since the name change is so recent, you're likely to run across both sets of names.
 

-PLT Scheme had three salient components: the command-line version "mzscheme", a
-GUI extension "MrEd", and a teaching-friendly editor/front-end "DrScheme". In
-Racket these have been renamed "racket", "gracket", and "DrRacket",
+PLT/Racket stands to Scheme in something like the relation Firefox stands to HTML. It's one program among others for working with the language; and many of those programs (or web browsers) permit different extensions, have small variations, and so on.
+
+PLT Scheme had several components. The two most visible components for us
+were the command-line interpreter "mzscheme" and a teaching-friendly editor/front-end "DrScheme". In
+Racket these have been renamed "racket" and "DrRacket",

 respectively.
 
 
 respectively.
 
 


@@ -108,6 +110,14 @@ respectively.
        If you want the GUI components, I think you'll need to use the
        "Mac/without MacPorts" installation options above.
 
        If you want the GUI components, I think you'll need to use the
        "Mac/without MacPorts" installation options above.
 

+       I recommend also typing:
+
+               sudo port install rlwrap
+
+       then if you ever use the command-line program `mzscheme` (or `racket`), you should start it by typing `rlwrap mzscheme`. This gives
+       you a nice history of the commands you've already typed, which you can scroll up and down in with your
+       keyboard arrows.
+

 *      **To install on Linux**
 
        Use your packaging system, for example, open a Terminal and
 *      **To install on Linux**
 
        Use your packaging system, for example, open a Terminal and


@@ -116,10 +126,18 @@ respectively.
                 sudo apt-get install plt-scheme
 
        It's very likely that your packaging system has some version of
                 sudo apt-get install plt-scheme
 
        It's very likely that your packaging system has some version of

-       PLT Scheme available, so look for it. However, if you can't find it you
+       PLT Scheme (or Racket) available, so look for it. However, if you can't find it you

        can also install a pre-packaged binary from the Racket website at <http://racket-lang.org/download/>.
        Choose the option for your version of Linux (Ubuntu, Debian, and two
        can also install a pre-packaged binary from the Racket website at <http://racket-lang.org/download/>.
        Choose the option for your version of Linux (Ubuntu, Debian, and two

-       varieties of Fedora are available)
+       varieties of Fedora are available).
+
+       As above, I recommend you also type:
+
+               sudo apt-get rlwrap
+
+       then if you ever use the command-line program `mzscheme` (or `racket`), you should start it by typing `rlwrap mzscheme`. This gives
+       you a nice history of the commands you've already typed, which you can scroll up and down in with your
+       keyboard arrows.

 
 
 ## Getting OCaml ##
 
 
 ## Getting OCaml ##


@@ -182,6 +200,13 @@ However, if you're not able to get that working, don't worry about it much.
 
                sudo port install ocaml caml-findlib
 
 
                sudo port install ocaml caml-findlib
 

+       As with Scheme, it's helpful to also have rlwrap installed, and to start OCaml as `rlwrap ocaml`. This gives
+       you a nice history of the commands you've already typed, which you can scroll up and down in with your
+       keyboard arrows.
+       
+
+*      [More details about installing OCaml on Macs, if needed](http://cocan.org/getting_started_with_ocaml_on_mac_os_x)
+

 *      **To install on Linux**
 
        Use your packaging system, for example, open a Terminal and
 *      **To install on Linux**
 
        Use your packaging system, for example, open a Terminal and


@@ -205,3 +230,7 @@ However, if you're not able to get that working, don't worry about it much.
        Here are the INSTALL notes:
        <https://godirepo.camlcity.org/svn/lib-findlib/trunk/INSTALL>.
 
        Here are the INSTALL notes:
        <https://godirepo.camlcity.org/svn/lib-findlib/trunk/INSTALL>.
 

+       As with Scheme, it's helpful to also have rlwrap installed, and to start OCaml as `rlwrap ocaml`. This gives
+       you a nice history of the commands you've already typed, which you can scroll up and down in with your
+       keyboard arrows.
+