Add 2006/hamre/try.sh + formatting/typo checks

2006/hamre/README.md

@@ -15,7 +15,7 @@ make
 ### Try:
 
 ```sh
-./hamre '-1+4/3*(2+1/(3/2*(7/2-7/3+1/6)))/2'
+./try.sh
 ```
 
 
@@ -37,10 +37,10 @@ numbers](https://en.wikipedia.org/wiki/Rational_number). Believe it or not, that
 is a useful tool to have around, and I haven't found a useful version, much less
 an obfuscated one.
 
-It is rather feature complete as [rational calculators go. The
+It is rather feature complete as rational calculators go. The
 supported operators are: `+`, `-` (binary and unary), `*`, `/` and `()`. Run it
 by supplying an expression as the first argument, and the normalized
-result will be written to stdout.
+result will be written to `stdout`.
 
 ```sh
 ./hamre '-1+4/3*(2+1/(3/2*(7/2-7/3+1/6)))/2'

2006/hamre/try.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 2006/hamre
+#
+
+# 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="$CC" all >/dev/null || exit 1
+
+# clear screen after compilation so that only the entry is shown
+clear
+
+
+
+echo "$ ./hamre '-1*42/3*(42*42*42)/42'" 1>&2
+./hamre '-1*42/3*(42*42*42)/42'
+echo 1>&2
+
+read -r -n 1 -p "Press any key to continue: "
+echo "$ ./hamre '-1+4/3*(2+1/(3/2*(7/2-7/3+1/6)))/2'" 1>&2
+./hamre '-1+4/3*(2+1/(3/2*(7/2-7/3+1/6)))/2'
+echo 1>&2
+
+read -r -n 1 -p "Press any key to continue: "
+echo "$ ./hamre '1/0' 1>&2" 1>&2
+./hamre '1/0' 1>&2
+echo 1>&2
+echo "...why did you not get an answer?" 1>&2
+echo 1>&2
+
+LIFE=12
+UNIVERSE=15
+EVERYTHING=15
+read -r -n 1 -p "Press any key to continue: "
+echo "For the next two notice how similar they are: why do they give different answers?" 1>&2
+
+echo "$ LIFE=12; UNIVERSE=15; EVERYTHING=15; ./hamre \"\$LIFE/\$UNIVERSE/\$EVERYTHING\"" 1>&2
+./hamre "$LIFE/$UNIVERSE/$EVERYTHING"
+
+echo "$ LIFE=12; UNIVERSE=15; EVERYTHING=15; ./hamre \"\$LIFE / \$UNIVERSE / \$EVERYTHING\"" 1>&2
+./hamre "$LIFE / $UNIVERSE / $EVERYTHING"
+
+echo 1>&2
+read -r -n 1 -p "Press any key to continue: "
+echo "And why do these next two give different answers?" 1>&2
+echo "$ LIFE=12; UNIVERSE=15; EVERYTHING=15; ./hamre \"\$LIFE + \$UNIVERSE + \$EVERYTHING\"" 1>&2
+./hamre "$LIFE + $UNIVERSE + $EVERYTHING"
+echo "$ LIFE=12; UNIVERSE=15; EVERYTHING=15; ./hamre \"\$LIFE+\$UNIVERSE+\$EVERYTHING\"" 1>&2
+./hamre "$LIFE+$UNIVERSE+$EVERYTHING"
+
+echo "As it turns out, \$LIFE+\$UNIVERSE+\$EVERYTHING == 42/1 == 42!" 1>&2
+
+exit 0

thanks-for-fixes.md

@@ -2964,6 +2964,8 @@ implicitly linked in.
 Cody fixed this so that it will not crash without an arg after it was suggested
 this should be fixed.
 
+Cody also added the [try.sh](2006/hamre/try.sh) script.
+
 
 ## [2006/monge](2006/monge/monge.c) ([README.md](2006/monge/README.md]))