Add 1992/ant/try.sh

If you like ants there are now 1992 of them here to try out (whatever
that means :-) ).

Some typos in the test Makefile were also fixed (just those that I saw
as the command was scrolling by - I didn't look at the whole file).

1992/ant/README.md

@@ -9,24 +9,18 @@ make all
 
 ```sh
 ./ant Makefile
+
+./ant Makefile rule
 ```
 
-where `Makefile` is a Makefile to use.
+where `Makefile` is a Makefile to use and `rule` is an optional rule to use.
 
 
 ### Try:
 
-First build the tool itself with our Makefile:
 
 ```sh
-./ant Makefile am
-```
-
-Now use `am` to do some things:
-
-```sh
-./am Makefile am_clobber	# clobber everything except am
-./am ant.test.mk		# run the test Makefile with am
+./try.sh
 ```
 
 

1992/ant/ant.test.mk

@@ -57,7 +57,7 @@ TEXT_2	= test macro split \
 	three lines
 TEXT_3	= test dollar macro '$$'
 TEXT_4	= test dollar again "$$(TEXT_1)"
-TEXT_5	=	imbeded macro '$(TEXT_1)'
+TEXT_5	=	embedded macro '$(TEXT_1)'
 
 redefine : r1 r2 r3 r4 r5 
 
@@ -161,7 +161,7 @@ leaf.5 :
 
 #  Command lines split across lines.
 split.cmd:
-	echo Try spliting command \
+	echo Try splitting command \
 		lines across more \
 	than one line.
 

1992/ant/try.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 1992/ant
+#
+
+# 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="$CC" all >/dev/null || exit 1
+
+# clear screen after compilation so that only the entry is shown
+clear
+
+echo "$ ./ant Makefile am    # build the tool itself" 1>&2
+read -r -n 1 -p "Press any key to run: ./ant Makefile am: "
+echo 1>&2
+./ant Makefile am
+echo 1>&2
+
+echo "$ ./am Makefile am_clobber    # clobber everything except am" 1>&2
+read -r -n 1 -p "Press any key to continue: "
+echo 1>&2
+./am Makefile am_clobber	# clobber everything except am
+echo 1>&2
+
+echo "$ ./am ant.test.mk    # run the test Makefile with am" 1>&2
+read -r -n 1 -p "Press any key to continue: "
+echo 1>&2
+./am ant.test.mk		# run the test Makefile with am