Rename 2001/westley/westley.sh to try.sh

The rest of the entry has not been reviewed except that the 'to use'
section has been corrected (and the try section obviously has been
updated too). I have some improvements to try.sh in mind but that'll
have to happen another time.

2001/westley/README.md

@@ -9,13 +9,18 @@ make
 
 ```sh
 ./westley
+# enter some input, terminate with EOF
+
+echo foo | ./westley
+
+./westley < westley.c
 ```
 
 
 ### Try:
 
 ```sh
-./westley.sh
+./try.sh
 ```
 
 
@@ -43,7 +48,7 @@ Use `westley.sort` as you would `westley` above.
 
 The author also stated that if you just sort the code you'll get the with
 `sort`) version that just prints out the punch card. The
-[westley.punch.c](westley.punch.c) code specifically so that Westley can punch
+[westley.punch.c](westley.punch.c) code is specifically so that Westley can punch
 everyone in the face! :-) This is also compiled by default.
 
 To use, try:

2001/westley/try.sh

@@ -1,14 +1,30 @@
 #!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 2001/westley
+#
 
-echo "./westley < westley.c 2>/dev/null > westley2.c"
+# 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="$CC" all >/dev/null || exit 1
+
+# clear screen after compilation so that only the entry is shown
+clear
+
+echo "./westley < westley.c 2>/dev/null > westley2.c" 1>&2
 ./westley < westley.c 2>/dev/null > westley2.c
-make westley2 2>/dev/null 1>&2
+echo "Compiling westley2.c..." 1>&2
+make CC="$CC" westley2 2>/dev/null 1>&2
 echo
-echo "echo 'Bozos, please deflate shoes before entering the bus!'| ./westley2 2>/dev/null"
+echo "$ echo 'Bozos, please deflate shoes before entering the bus!'| ./westley2 2>/dev/null"
 echo 'Bozos, please deflate shoes before entering the bus!'| ./westley2 2>/dev/null
 echo
 
-make westley.sort 2>/dev/null 1>&2
+make CC="$CC" westley.sort 2>/dev/null 1>&2
 echo
 echo "./westley.sort < westley.c 2>/dev/null | diff - westley.c"
 # SC2094 (info): Make sure not to read and write the same file in the same pipeline.