Improve 2006/sykes1/try.sh

2006/sykes1/README.md

@@ -4,6 +4,10 @@
 make
 ```
 
+There is an alt version based on the author's remarks. The [try.sh](try.sh)
+script will compile and use both but if you wish to see the alternate version
+specifically see the [Alternate code](#alternate-code) section below.
+
 
 ### Bugs and (Mis)features:
 
@@ -33,6 +37,15 @@ Next point your browser to the file: `sykes1.html`.
 
 Refresh your browser.
 
+You might also try:
+
+```sh
+./try.sh
+```
+
+This will run both the original entry and the alt code to show some differences.
+
+
 ### Also try:
 
 If you have all day :-) and wish to find out how fast your machine can solve the
@@ -61,6 +74,33 @@ sys	0m0.110s
 ```
 
 
+## Alternate code:
+
+This alternate code is based on the author's remarks.
+
+
+### Alternate build:
+
+```sh
+make alt
+```
+
+
+### Alternate use:
+
+Use `sykes1.alt` as you would `sykes1` above.
+
+
+### Alternate try:
+
+The [try.sh](try.sh) script will use both versions to show some differences. You
+can do so like:
+
+```sh
+./try.sh
+```
+
+
 ## Judges' remarks:
 
 Read the [sykes1.html](sykes1.html) page source.
@@ -86,7 +126,8 @@ puzzles in wikipedia](http://en.wikipedia.org/wiki/Bedlam_cube).
 Some instructions on how to make your own cube are in the included file
 [bedlam-cubes.pdf](bedlam-cubes.pdf).
 
-Finally, you can watch it being solved at <https://www.youtube.com/watch?v=a8s1AcYMLBc>.
+Finally, you can watch it being solved with the video file here,
+[solving-bedlam-cube.mp4](solving-bedlam-cube.mp4).
 
 Actually the cube is very hard to do by hand by just trying to fit it
 together.  I have not known anyone to solve it in this way - you would

2006/sykes1/try.sh

@@ -23,47 +23,54 @@ try()
 	SYKES1="$1"
     fi
 
-    echo "$ diff -s $SYKES1.c $SYKES1.html" 1>&2
+    read -r -n 1 -p "Press any key to see $SYKES1.c (space = next page, q = quit): "
+    echo 1>&2
+    less -rEXF "$SYKES1.c"
+    echo 1>&2
+
+    read -r -n 1 -p "Press any key to run: diff -s $SYKES1.c $SYKES1.html: "
+    echo 1>&2
     diff -s "$SYKES1".c "$SYKES1".html
     echo 1>&2
 
-    echo "$ ./$SYKES1 | less" 1>&2
-    read -r -n 1 -p "Press any key to continue (use 'q' to quit pager, space to scroll a page down): "
-    ./"$SYKES1" | less
+    read -r -n 1 -p "Press any key to run: ./$SYKES1 (space = next page, q = quit): "
+    echo 1>&2
+    ./"$SYKES1" | less -rEXF
     echo 1>&2
 
-    echo "$ ./$SYKES1 5 | less" 1>&2
-    read -r -n 1 -p "Press any key to continue (use 'q' to quit pager, space to scroll a page down): "
-    ./"$SYKES1" 5 | less
+    read -r -n 1 -p "Press any key to run: ./$SYKES1 5 (space = next page, q = quit): "
+    echo 1>&2
+    ./"$SYKES1" 5 | less -rEXF
     echo 1>&2
 
-    echo "$ ./$SYKES1 -1 | less" 1>&2
-    read -r -n 1 -p "Press any key to continue ('q' to quit pager, space to scroll a page down): "
-    ./"$SYKES1" -1 | less
+    read -r -n 1 -p "Press any key to run: ./$SYKES1 -1 (space = next page, q = quit): "
+    echo 1>&2
+    ./"$SYKES1" -1 | less -rEXF
     echo 1>&2
     echo "What happened and why did it happen?" 1>&2
     echo 1>&2
 }
 
-read -r -n 1 -p "Press any key to see the entry: "
 try sykes1
 echo 1>&2
 
 read -r -n 1 -p "Press any key to see the alt version: "
+echo 1>&2
 try sykes1.alt
 echo 1>&2
 
 # clean up output files first
 rm -f sykes1.out sykes1.alt.out
-read -r -n 1 -p "Press any key to look at output differences of the two: "
+read -r -n 1 -p "Press any key to run: ./sykes1 > sykes1.out: "
+echo 1>&2
+./sykes1 > sykes1.out
+echo 1>&2
+read -r -n 1 -p "Press any key to run: ./sykes1.alt > sykes1.alt.out: "
+echo 1>&2
+./sykes1.alt > sykes1.alt.out
 echo 1>&2
 
-echo "$ ./sykes1 > sykes1.out" 1>&2
-./sykes1 > sykes1.out
-echo "$ ./sykes1.alt > sykes1.alt.out" 1>&2
-./sykes1.alt > sykes1.alt.out
-
-echo "$ diff sykes1.out sykes1.alt.out | less" 1>&2
-read -r -n 1 -p "Press any key to continue (use 'q' to quit pager, space to scroll down a page): "
-diff sykes1.out sykes1.alt.out | less
+read -r -n 1 -p "Press any key to run: diff sykes1.out sykes1.alt.out (space = next page, q = quit): "
+echo 1>&2
+diff sykes1.out sykes1.alt.out | less -rEXF
 rm -f sykes1.out sykes1.alt.out

thanks-for-help.md

@@ -3498,7 +3498,9 @@ bug to fix.
 ## <a name="2006_sykes1"></a>[2006/sykes1](/2006/sykes1/sykes1.c) ([README.md](/2006/sykes1/README.md]))
 
 [Cody](#cody) provided the [alt code](/2006/sykes1/README.md#alternate-code) based on the
-author's remarks and the [try.sh](/2006/sykes1/try.sh) script.
+author's remarks.
+
+Cody also added the [try.sh](/2006/sykes1/try.sh) script.
 
 Cody also provided the [bedlam-cubes.pdf](/2006/sykes1/bedlam-cubes.pdf) file,
 obtained from the Internet Wayback Machine, as the file was no longer available.