Add 2000/dhyang/try.sh, make void main int main

The try.sh script is as usual: replaces what the judges recommended one
try.

It was suggested to me a while back that when I encounter a void main
that I change it to int to be more portable so I have done that.

README.md file typo/format checked.

This should complete the review of 2000/dhyang.

2000/dhyang/README.md

@@ -15,20 +15,7 @@ make
 ### Try:
 
 ```sh
-make saitou
-./saitou > aku.c
-cat aku.c
-
-make soku
-./soku > soku.c
-cat soku.c
-
-make zan
-./zan > zan.c
-cat zan.c
-
-make aku
-./aku | diff - aku.c
+./try.sh
 ```
 
 
@@ -53,9 +40,9 @@ them with cool layout!
 For your enjoyment:
 
 1. Compile [dhyang.c](dhyang.c).
-2. Run `./dhyang` and pipe output to another .c file
-3. Compile that file
-4. Repeat steps 2 and 3 until eventually the output cycles
+2. Run `./dhyang` and pipe output to another `.c` file.
+3. Compile that file.
+4. Repeat steps 2 and 3 until eventually the output cycles.
 
 To interpret the output: the [dhyang.c](dhyang.c.c) is an image of Saitou
 Hajime, which eventually generates three sources files that are images of "aku

2000/dhyang/dhyang.c

@@ -47,7 +47,7 @@
    x^(p?6:0):(p  =   34      X            X           X )
    ;}s(){for(x=  n   ();     (           x^           ( p
   ?6:0))==32;x=  n    ()     )   ;return x            ; }
-  void/**/main X      ()     {           r           =  p
+   int/**/main X      ()     {           r           =  p
   =0;w=sprintf  (X     X     X         X X           X o
   ,"char*d=");  for          (    f=1;f <            * d
   +143;)if(33-(  b=d         [      f++ X           ]  )

2000/dhyang/try.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 2000/dhyang
+#
+
+# make sure CC is set so that when we do make CC="$CC" it isn't empty. Doing it
+# this way allows us to have the user specify a different compiler in an easy
+# way.
+if [[ -z "$CC" ]]; then
+    CC="cc"
+fi
+
+make CC="$CC" all >/dev/null || exit 1
+
+# clear screen after compilation so that only the entry is shown
+clear
+
+
+echo "$ make saitou >/dev/null" 1>&2
+make saitou >/dev/null
+
+echo "$ ./saitou > aku.c" 1>&2
+./saitou > aku.c
+
+echo "$ cat aku.c"
+cat aku.c
+
+echo "$ make soku >/dev/null" 1>&2
+make soku >/dev/null
+
+echo "$ ./soku > soku.c" 1>&2
+./soku > soku.c
+
+echo "$ cat soku.c" 1>&2
+cat soku.c
+
+echo "$ make zan >/dev/null" 1>&2
+make zan >/dev/null
+
+echo "$ ./zan > zan.c" 1>&2
+./zan > zan.c
+
+echo "$ cat zan.c" 1>&2
+cat zan.c
+
+echo "$ make aku >/dev/null" 1>&2
+make aku >/dev/null
+
+echo "$ ./aku | diff - aku.c" 1>&2
+./aku | diff - aku.c