Add 1993/vanb/try.sh

1993/vanb/README.md

@@ -29,9 +29,7 @@ hexadecimal and decimal numbers.
 ### Try:
 
 ```sh
-./vanb '1+1'
-
-./vanb '4+4'
+./try.sh
 ```
 
 What happens if you use something other than valid digits?
@@ -63,6 +61,7 @@ The program does no error checking - erroneous expressions will
 produce spurious results. Note that unary `-` is an operator. Thus,
 decimal `-46` would be entered as `-d46` and not `d-46`.
 
+
 ### What Makes This Program Special:
 
 0. Of course, the fact that the program takes input and produces output in
@@ -86,6 +85,7 @@ format a program which has no explicit control structures (other than `?:`s).
 6. Many simple tasks are done many times. I tried to do these differently each
 time, to make the program harder to understand.
 
+
 ### How It Works:
 
 It's a recursive descent parser, calling `main()`

1993/vanb/try.sh

@@ -0,0 +1,57 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 1993/vanb
+#
+
+# 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
+
+read -r -n 1 -p "Press any key to run: ./vanb '1+1': "
+echo 1>&2
+./vanb '1+1'
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./vanb '4+4': "
+echo 1>&2
+./vanb '4+4'
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./vanb '+(1777-x11)*d2': "
+echo 1>&2
+./vanb '+(1777-x11)*d2'
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./vanb '-(1777-x11)*d2': "
+echo 1>&2
+./vanb '-(1777-x11)*d2'
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./vanb '(1777-xfeed*xdead-xd00d+xf00d)*d2': "
+echo 1>&2
+./vanb '(1777-xfeed*xdead-xd00d+xf00d)*d2'
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./vanb '777+777-111*111/123%155': "
+echo 1>&2
+./vanb '777+777-111*111/123%155'
+echo 1>&2
+
+read -r -n 1 -p "Press any key: ./vanb '777-8': "
+echo 1>&2
+./vanb '777-8'
+echo "... what happened?" 1>&2
+
+read -r -n 1 -p "Press any key to run: ./vanb '777*8': "
+echo 1>&2
+./vanb '777*8'
+echo "... what happened?" 1>&2
+exit 0

thanks-for-help.md

@@ -1809,6 +1809,8 @@ but fixed to work with clang as well.
 NOTE: the `N1` and `N2` are provided as notes in the README.md file describing
 this code. Other code is also described there.
 
+Cody also added the [try.sh](/1993/vanb/try.sh) script.
+
 
 # <a name="1994"></a>1994