Use stdin approach in notes.

Author: dvanhorn

www/notes/abscond.scrbl

@@ -31,7 +31,7 @@
 	       #'(void)))]))
 
 @;{ Have to compile 42.s (at expand time) before listing it }
-@(shell-expand "racket -t compile-file.rkt -m 42.rkt > 42.s")
+@(shell-expand "cat 42.rkt | racket -t compile-stdin.rkt -m > 42.s")
 
 
 @title[#:tag "Abscond"]{Abscond: a language of numbers}
@@ -438,11 +438,11 @@ Putting it all together, we can write a command line compiler much
 like the command line interpreter before, except now we emit assembly
 code:
 
-@codeblock-include["abscond/compile-file.rkt"]
+@codeblock-include["abscond/compile-stdin.rkt"]
 
 Example:
 
-@shellbox["racket -t compile-file.rkt -m 42.rkt"]
+@shellbox["cat 42.rkt | racket -t compile-stdin.rkt -m"]
 
 Using a Makefile, we can capture the whole compilation dependencies as:
 

www/notes/blackmail.scrbl

@@ -29,7 +29,7 @@
 	       #'(void)))]))
 
 @;{ Have to compile 42.s (at expand time) before listing it }
-@(shell-expand "racket -t compile-file.rkt -m add1-add1-40.rkt > add1-add1-40.s")
+@(shell-expand "cat add1-add1-40.rkt | racket -t compile-stdin.rkt -m > add1-add1-40.s")
 
 @title[#:tag "Blackmail"]{Blackmail: incrementing and decrementing}
 
@@ -247,10 +247,10 @@ We can now try out a few examples:
 ]
 
 And give a command line wrapper for parsing, checking, and compiling
-files in @link["code/blackmail/compile-file.rkt"]{@tt{compile-file.rkt}},
+in @link["code/blackmail/compile-stdin.rkt"]{@tt{compile-stdin.rkt}},
 we can compile files as follows:
 
-@shellbox["racket -t compile-file.rkt -m add1-add1-40.rkt"]
+@shellbox["cat add1-add1-40.rkt | racket -t compile-stdin.rkt -m"]
 
 And using the same @link["code/blackmail/Makefile"]{@tt{Makefile}}
 setup as in Abscond, we capture the whole compilation process with a

www/notes/evildoer.scrbl

@@ -85,10 +85,10 @@ writing!) do not have this property. Instead they interact
 with the outside world and compute results based on the
 state of the world.
 
-For example, consider the @tt{compile-file.rkt} program,
-which reads the contents of a file from disk and compiles
-it. The meaning of this program depends on the state of your
-computer's hard drive. Similarly, it prints out assembly
+For example, consider the @tt{compile-stdin.rkt} program,
+which reads the contents of stdin and compiles
+it. The meaning of this program depends on the state of input
+port. Similarly, it prints out assembly
 code to the standard output port. So not only does this
 program depend on the outside world, it changes it too.
 

www/notes/iniquity.scrbl

@@ -113,10 +113,10 @@ is updated to include function applications.
 
 Because of the change from a program being a single expression to a
 sequence, we have to update the utilities that read program files,
-i.e. @tt{interp-file.rkt} and @tt{compile-file.rkt}:
+i.e. @tt{interp-file.rkt} and @tt{compile-stdin.rkt}:
 
 @codeblock-include["iniquity/interp-file.rkt"]
-@codeblock-include["iniquity/compile-file.rkt"]
+@codeblock-include["iniquity/compile-stdin.rkt"]