Several improvements made in 2011/hou/try.sh

2011/hou/try.sh

@@ -6,20 +6,28 @@
 # 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
+[[ -z "$CC" ]] && CC="cc"
 
 make CC="$CC" all >/dev/null || exit 1
 
 # clear screen after compilation so that only the entry is shown
 clear
 
-echo "Observe how this one is in the code, both the equation and the answer: " 1>&2
+read -r -n 1 -p "Press any key to run: grep #define calculator hou.c|cut -f3 -d' ': "
+echo 1>&2
+grep '#define calculator' hou.c|cut -f3 -d' '
+echo 1>&2
+read -r -n 1 -p "Press any key to run: grep '11/26+222/31' hou.c: "
+echo 1>&2
+grep '11/26+222/31' hou.c
+echo 1>&2
 read -r -n 1 -p "Press any key to run: ./hou '11/26+222/31': "
 echo 1>&2
 ./hou '11/26+222/31'
 echo 1>&2
+echo "What relation does the equation in the code have to do with the above" 1>&2
+echo "command?" 1>&2
+echo 1>&2
 
 read -r -n 1 -p "Press any key to run: ./hou 'log((21701-19937)-(23209-21701))/log(2)': "
 echo 1>&2
@@ -45,4 +53,5 @@ echo 1>&2
 read -r -n 1 -p "Press any key to run: ./hou 'a calculator expression -- see the C Code for details': "
 echo 1>&2
 ./hou 'a calculator expression -- see the C Code for details'
-echo "Now answer: what does the last one mean? Can you get it to report something else?" 1>&2
+echo "Now answer: what does the last one mean? Can you get it to report" 1>&2
+echo "something else?" 1>&2