Merge pull request #2169 from xexyl/herrmann12001-try

Fix 2001/herrmann1/try.sh

2000/anderson/try.sh

@@ -25,17 +25,17 @@ echo 1>&2
 echo 'Hello, world!' | ./anderson
 echo 1>&2
 
-read -r -n 1 -p "Press any key to run: ./anderson < anderson.c: "
+read -r -n 1 -p "Press any key to run: ./anderson < anderson.c (space = next page, q = quit): "
 echo 1>&2
-./anderson < anderson.c
+./anderson < anderson.c | less -rEXFK
 echo 1>&2
 
-read -r -n 1 -p "Press any key to run: ./anderson < README.md: "
+read -r -n 1 -p "Press any key to run: ./anderson < README.md (space = next page, q = quit): "
 echo 1>&2
-./anderson < README.md
+./anderson < README.md | less -rEXFK
 echo 1>&2
 
-read -r -n 1 -p "Press any key to run: cat README.md anderson.c | ./anderson: "
+read -r -n 1 -p "Press any key to run: cat README.md anderson.c | ./anderson (space = next page, q = quit): "
 echo 1>&2
-cat README.md anderson.c | ./anderson
+cat README.md anderson.c | ./anderson | less -rEXFK
 echo 1>&2

2000/bmeyer/.gitignore

@@ -10,5 +10,6 @@ indent.o
 lavabus.glic
 lavabus.glic2
 lenna.pgm
+michael.glic
 new.pgm
 prog.orig

2000/bmeyer/Makefile

@@ -209,7 +209,7 @@ clean:
 
 clobber: clean
 	${RM} -f ${TARGET} ${ALT_TARGET}
-	${RM} -rf *.dSYM
+	${RM} -rf *.dSYM michael.glic
 	@-if [ -e sandwich ]; then \
 	    ${RM} -f sandwich; \
 	    echo 'ate sandwich'; \

2000/bmeyer/try.sh

@@ -19,22 +19,13 @@ clear
 # be determined: we just use a default value.
 #
 # try getting the columns the simple way first: tput cols
-COLUMNS="$(tputs cols)"
-# In this case we might be able to get away with resolving this ShellCheck
-# warning:
-#
-#   SC2181 (style): Check exit code directly with e.g. 'if ! mycmd;', not indirectly with $?.
-#
-# but we want to assign the value to COLUMNS and at the same time make sure tput
-# worked. Thus we disable this warning.
-#
-# shellcheck disable=SC2181
-if [[ "$?" -ne 0 ]]; then
-    # if tput failed for any reason try stty(1) with awk(1):
+if ! COLUMNS="$(tput cols)"; then
+    # if tput failed for any reason try stty(1) with awk(1).
+    #
     # Disable this warning of shellcheck as it's wrong: awk needs single quotes.
     #
-    #	SC2016 (info): Expressions don't expand in single quotes, use double quotes for that.
-    #
+    # SC2016 (info): Expressions don't expand in single quotes, use double quotes for that.
+    # https://www.shellcheck.net/wiki/SC2016
     # shellcheck disable=SC2016
     COLUMNS="$(stty size|awk '{print $NF}')"
     

2000/briddlebane/README.md

@@ -17,6 +17,14 @@ make
 For some fun every time you log in try running this from your `.bashrc` or
 equivalent file!
 
+You might also like to try:
+
+```sh
+./try.sh
+
+INSULTS=15 ./try.sh
+```
+
 
 ## Judges' remarks:
 

2000/briddlebane/try.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+#
+# try.sh - demonstrate IOCCC winner 2000/briddlebane
+#
+
+# 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="$CC" all >/dev/null || exit 1
+
+# clear screen after compilation so that only the entry is shown
+clear
+
+[[ -z "$INSULTS" ]] && INSULTS=10
+echo "$INSULTS" | grep -qE '^[0-9]+'
+if [[ "${PIPESTATUS[1]}" -ne 0 ]]; then
+    echo "INSULTS value not a positive number, fix and run again."
+    exit 1
+fi
+
+for ((i=0; i<"$INSULTS"; i++)); do
+    ./briddlebane
+    sleep 1
+done

2000/dhyang/try.sh

@@ -23,7 +23,7 @@ echo 1>&2
 
 read -r -n 1 -p "Press any key to run: ./saitou | tee aku.c (space = next page, q = quit): "
 echo 1>&2
-./saitou | tee aku.c | less -rEXF
+./saitou | tee aku.c | less -rEXFK
 
 read -r -n 1 -p "Press any key to run: make soku >/dev/null || exit 1: "
 echo 1>&2
@@ -32,7 +32,7 @@ echo 1>&2
 
 read -r -n 1 -p "Press any key to run: ./soku | tee soku.c (space = next page, q = quit): "
 echo 1>&2
-./soku | tee soku.c | less -rEXF
+./soku | tee soku.c | less -rEXFK
 echo 1>&2
 
 read -r -n 1 -p "Press any key to run: make zan >/dev/null || exit 1: "
@@ -42,7 +42,7 @@ echo 1>&2
 
 read -r -n 1 -p "Press any key to run: ./zan | tee zan.c (space = next page, q = quit): "
 echo 1>&2
-./zan | tee zan.c | less -rEXF
+./zan | tee zan.c | less -rEXFK
 echo 1>&2
 
 read -r -n 1 -p "Press any key to run: make aku >/dev/null || exit 1: "

2000/natori/try.alt.sh

@@ -29,6 +29,11 @@ moon()
 	    ./"$NATORI"
 	    echo 1>&2
 	fi
+
+	if [[ "$i" != 10 ]]; then
+	    read -r -n 1 -p "Press any key to continue: "
+	    echo 1>&2
+	fi
     done
 
     echo 1>&2
@@ -37,19 +42,39 @@ moon()
 	read -r -n 1 -p "Press any key to alternate between the southern/northern hemisphere Moon: "
 	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
     else
 	read -r -n 1 -p "Press any key to alternate between the northern/southern hemisphere Moon: "
 	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
     fi
 
@@ -61,19 +86,39 @@ moon()
 	read -r -n 1 -p "Press any key to alternate between the southern/northern hemisphere Moon: "
 	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
     else
 	read -r -n 1 -p "Press any key to alternate between the northern/southern hemisphere Moon: "
 	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
     fi
 

2000/natori/try.sh

@@ -29,6 +29,10 @@ moon()
 	    ./"$NATORI".alt
 	    echo 1>&2
 	fi
+	if [[ "$i" != 10 ]]; then
+	    read -r -n 1 -p "Press any key to continue: "
+	    echo 1>&2
+	fi
     done
 
     echo 1>&2
@@ -37,19 +41,39 @@ moon()
 	read -r -n 1 -p "Press any key to alternate between the northern/southern hemisphere Moon: "
 	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
     else
 	read -r -n 1 -p "Press any key to alternate between the southern/northern hemisphere Moon: "
 	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
     fi
 
@@ -61,19 +85,39 @@ moon()
 	read -r -n 1 -p "Press any key to alternate between the northern/southern hemisphere Moon: "
 	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
     else
 	read -r -n 1 -p "Press any key to alternate between the southern/northern hemisphere Moon: "
 	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI".alt
+	read -r -n 1 -p "Press any key to continue: "
+	echo 1>&2
 	./"$NATORI"
     fi
 

2000/primenum/try.sh

@@ -34,11 +34,11 @@ echo 1>&2
 
 read -r -n 1 -p "Press any key to show try.sh.txt (space = next page, q = quit): "
 echo 1>&2
-less -rEXF try.sh.txt
+less -rEXFK try.sh.txt
 echo 1>&2
 
 echo "$ diff try.sh try.sh.txt"
 read -r -n 1 -p "Press any key to see diff (space = next page, q = quit): " 1>&2
-diff try.sh try.sh.txt | less -rEXF
+diff try.sh try.sh.txt | less -rEXFK
 
 rm -f try.sh.txt

2000/rince/try.sh

@@ -23,12 +23,11 @@ echo 1>&2
 read -r -n 1 -p "Press any key to run: ./rince 0.001 $(./dmy2jd 7.8 1 1610): "
 echo 1>&2
 
-# ShellCheck is incorrect about:
-#
-#   SC2046 (warning): Quote this to prevent word splitting.
-#
-# because we actually want word splitting.
+# We actually need word splitting here so we disable the shellcheck warning
+# SC2046.
 #
+# SC2046 (warning): Quote this to prevent word splitting.
+# https://www.shellcheck.net/wiki/SC2046
 # shellcheck disable=SC2046
 ./rince 0.001 $(./dmy2jd 7.8 1 1610)
 echo 1>&2
@@ -48,38 +47,47 @@ echo 1>&2
 ./rince 0.01 2441193.6
 echo 1>&2
 
-read -r -n 1 -p "Press any key to run: ./rince 0 $(./dmy2jd 7.8 1 1610): "
+read -r -n 1 -p "Press any key to run: ./dmy2jd 7.8 1 1610: "
 echo 1>&2
-# ShellCheck is incorrect about:
-#
-#   SC2046 (warning): Quote this to prevent word splitting.
-#
-# because we actually want word splitting.
+./dmy2jd 7.8 1 1610
+echo 1>&2
+read -r -n 1 -p "Press any key to run: ./rince 0 \$(./dmy2jd 7.8 1 1610): "
+echo 1>&2
+# We actually need word splitting here so we disable the shellcheck warning
+# SC2046.
 #
+# SC2046 (warning): Quote this to prevent word splitting.
+# https://www.shellcheck.net/wiki/SC2046
 # shellcheck disable=SC2046
 ./rince 0 $(./dmy2jd 7.8 1 1610)
 echo 1>&2
 
-read -r -n 1 -p "Press any key to run: ./rince 0 $(./dmy2jd 8.8 1 1610): "
+read -r -n 1 -p "Press any key to run: ./dmy2jd 8.8 1 1610: "
 echo 1>&2
-# ShellCheck is incorrect about:
-#
-#   SC2046 (warning): Quote this to prevent word splitting.
-#
-# because we actually want word splitting.
+./dmy2jd 8.8 1 1610
+echo 1>&2
+read -r -n 1 -p "Press any key to run: ./rince 0 \$(./dmy2jd 8.8 1 1610): "
+echo 1>&2
+# We actually need word splitting here so we disable the shellcheck warning
+# SC2046.
 #
+# SC2046 (warning): Quote this to prevent word splitting.
+# https://www.shellcheck.net/wiki/SC2046
 # shellcheck disable=SC2046
 ./rince 0 $(./dmy2jd 8.8 1 1610)
 echo 1>&2
 
-read -r -n 1 -p "Press any key to run: ./rince 0 $(./dmy2jd 10.8 1 1610): "
+read -r -n 1 -p "Press any key to run: ./dmy2jd 10.8 1 1610: "
 echo 1>&2
-# ShellCheck is incorrect about:
-#
-#   SC2046 (warning): Quote this to prevent word splitting.
-#
-# because we actually want word splitting.
+./dmy2jd 10.8 1 1610
+echo 1>&2
+read -r -n 1 -p "Press any key to run: ./rince 0 \$(./dmy2jd 10.8 1 1610): "
+echo 1>&2
+# We actually need word splitting here so we disable the shellcheck warning
+# SC2046.
 #
+# SC2046 (warning): Quote this to prevent word splitting.
+# https://www.shellcheck.net/wiki/SC2046
 # shellcheck disable=SC2046
 ./rince 0 $(./dmy2jd 10.8 1 1610)
 echo 1>&2

2000/schneiderwent/README.md

@@ -28,6 +28,15 @@ paint dry :-) ) you might also try:
 ./try.sh
 ```
 
+Alternatively, you can check on it later on, to see all the entry does. Or if
+you wish to make it run faster, you can override how long it sleeps per
+iterations and how many iterations it runs. For instance to make it sleep only
+30 seconds and run only twice:
+
+```sh
+SLEEP=30 ITERATIONS=2 ./try.sh
+```
+
 
 ## Judges' remarks:
 

2000/schneiderwent/try.sh

@@ -6,23 +6,50 @@
 # 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 "This will take a long time to run to completion: " 1>&2
+# get the number of seconds to sleep in between runs (def: 60)
+[[ -z "$SLEEP" ]] && SLEEP=60
+# verify it's a positive number:
+echo "$SLEEP" | grep -qE '^[0-9]+'
+if [[ "${PIPESTATUS[1]}" -ne 0 ]]; then
+    echo "SLEEP value not a positive number, fix and run again."
+    exit 1
+fi
+# get the number of iterations to run (default: 60)
+[[ -z "$ITERATIONS" ]] && ITERATIONS=60
+# verify it's a positive number:
+echo "$ITERATIONS" | grep -qE '^[0-9]+'
+if [[ "${PIPESTATUS[1]}" -ne 0 ]]; then
+    echo "ITERATIONS value not a positive number, fix and run again."
+    exit 1
+fi
+
+echo "If you did not override \$SLEEP and \$ITERATIONS this will take a long" 1>&2
+echo "time to run to completion: approximately one hour. If you do not care to" 1>&2
+echo "wait such a long time, which we presume is probably quite likely, you" 1>&2
+echo "you might wish to run this entry like the following: " 1>&2
+echo 1>&2
+echo "    ./schneiderwent" 1>&2
+echo "    ./schneiderwent schneiderwent.data" 1>&2
+echo 1>&2
+echo "at various times throughout the day, preferably at different" 1>&2
+echo "minutes of the hours." 1>&2
+echo 1>&2
+echo "Alternatively, you can leave this running in a console tab for an hour" 1>&2
+echo "and look back at it later, so that you can see all the entry does." 1>&2
+echo 1>&2
+read -r -n 1 -p "Press any key to start: "
+echo 1>&2
 i=0
-while [[ "$i" -lt 60 ]]; do
+while [[ "$i" -lt "$ITERATIONS" ]]; do
     ./schneiderwent
     ./schneiderwent schneiderwent.data
-    sleep 60
+    sleep "$SLEEP"
     ((i++))
 done
-
-
-

2000/tomx/.gitignore

@@ -5,7 +5,9 @@ indent
 indent.c
 indent.o
 mkentry
+mkentry.help.txt
 prog.orig
 tomx
 tomx.alt
+tomx.help.txt
 tomx.orig

2000/tomx/try.alt.sh

@@ -15,34 +15,49 @@ make CC="$CC" alt >/dev/null || exit 1
 # clear screen after compilation so that only the entry is shown
 clear
 
-echo "Using tomx.alt.c to compile mkentry.c directly:" 1>&2
+read -r -n 1 -p "Press any key to run: rm -v -f mkentry: "
+echo 1>&2
+rm -v -f mkentry
+echo 1>&2
+
 read -r -n 1 -p "Press any key to run: chmod +x tomx.alt.c: "
 echo 1>&2
 chmod +x tomx.alt.c
 echo 1>&2
 
-read -r -n 1 -p "Press any key to run: rm -vf mkentry: "
-echo 1>&2
-rm -vf mkentry
-echo 1>&2
-
+echo "Using tomx.alt.c as an executable to compile mkentry.c directly:" 1>&2
 read -r -n 1 -p "Press any key to run: ./tomx.alt.c: "
 echo 1>&2
 ./tomx.alt.c
 echo 1>&2
 
-echo "Using tomx.alt.c as a Makefile to compile mkentry.c:" 1>&2
-read -r -n 1 -p "Press any key to run: rm -vf mkentry: "
+read -r -n 1 -p "Press any key to run: ./mkentry -h | tee mkentry.help.txt: "
 echo 1>&2
-rm -vf mkentry
+./mkentry | tee mkentry.help.txt
 echo 1>&2
 
+read -r -n 1 -p "Press any key to run: rm -v -f mkentry: "
+echo 1>&2
+rm -v -f mkentry
+echo 1>&2
+
+echo "Using tomx.alt.c as a Makefile to compile mkentry.c:" 1>&2
 read -r -n 1 -p "Press any key to run: make -f tomx.alt.c: "
 echo 1>&2
 make -f tomx.alt.c
 echo 1>&2
 
-read -r -n 1 -p "Press any key to run: ./tomx.alt: "
 echo 1>&2
-./tomx.alt
+read -r -n 1 -p "Press any key to run: ./tomx.alt (mkentry compiled from tomx.alt.c): "
 echo 1>&2
+./tomx.alt | tee tomx.help.txt
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: diff -s mkentry.help.txt tomx.help.txt: "
+echo 1>&2
+diff -s mkentry.help.txt tomx.help.txt
+echo 1>&2
+
+read -r -n 1 -p "Press any key to remove mkentry.help.txt and tomx.help.txt: "
+echo 1>&2
+rm -v -f mkentry.help.txt tomx.help.txt

2000/tomx/try.sh

@@ -15,15 +15,14 @@ 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: ./tomx: "
+read -r -n 1 -p "Press any key to run: ./tomx (compiled from tomx.c): "
 echo 1>&2
 ./tomx
 echo 1>&2
 
-echo "Using source code to compile tomx.c: " 1>&2
-read -r -n 1 -p "Press any key to run: rm -vf tomx: "
+read -r -n 1 -p "Press any key to run: rm -v -f tomx: "
 echo 1>&2
-rm -vf tomx
+rm -v -f tomx
 echo 1>&2
 
 read -r -n 1 -p "Press any key to run: chmod +x tomx.c: "
@@ -31,27 +30,28 @@ echo 1>&2
 chmod +x tomx.c
 echo 1>&2
 
+echo "Using source code to compile tomx.c: " 1>&2
 read -r -n 1 -p "Press any key to run: ./tomx.c: "
 echo 1>&2
 ./tomx.c
 echo 1>&2
-read -r -n 1 -p "Press any key to run: ./tomx (a second time): "
+read -r -n 1 -p "Press any key to run: ./tomx (compiled by tomx.c as an executable itself): "
 echo 1>&2
 ./tomx
 
 echo 1>&2
-echo "Using tomx.c as a Makefile:" 1>&2
-read -r -n 1 -p "Press any key to run: rm -vf tomx: "
+read -r -n 1 -p "Press any key to run: rm -v -f tomx: "
 echo 1>&2
-rm -vf tomx
+rm -v -f tomx
 echo 1>&2
 
+echo "Using tomx.c as a Makefile:" 1>&2
 read -r -n 1 -p "Press any key to run: make -f tomx.c: "
 echo 1>&2
 make -f tomx.c
 echo 1>&2
 
-read -r -n 1 -p "Press any key to run: ./tomx (a third time): "
+read -r -n 1 -p "Press any key to run: ./tomx (built from tomx.c as a Makefile): "
 echo 1>&2
 ./tomx
 echo 1>&2

2001/herrmann1/try.sh

@@ -20,12 +20,12 @@ clear
 echo "$ ./herrmann1.sh 'prg=herrmann1.times2'" 1>&2
 read -r -n 1 -p "Press any key to continue (space = next page, q = quit): "
 echo 1>&2
-./herrmann1.sh 'prg=herrmann1.times2'
+./herrmann1.sh 'prg=herrmann1.times2' | less -rEXFK
 echo 1>&2
 
 echo "$ ./herrmann1.sh 'prg=herrmann1.gcd'" 1>&2
 read -r -n 1 -p "Press any key to continue (space = next page, q = quit): "
 echo 1>&2
-./herrmann1.sh 'prg=herrmann1.gcd'
+./herrmann1.sh 'prg=herrmann1.gcd' | less -rEXFK
 echo 1>&2
 

2015/burton/try.sh

@@ -28,7 +28,7 @@ echo 1>&2
 
 read -r -n 1 -p "Press any key to run: grep '[0-9]' prog.c || echo \"no digits in prog.c!\": "
 echo 1>&2
-grep -q '[0-9]' prog.c || echo "no digits in prog.c!"
+grep -q '[0-9]' prog.c || echo "no digits found in prog.c!"
 echo 1>&2
 
 read -r -n 1 -p "Press any key to show calc.in (space = next page, q = quit): "
@@ -46,9 +46,15 @@ echo 1>&2
 less -rEXFK try.this.txt
 echo 1>&2
 
-read -r -n 1 -p "Press any key to run: ./calc < try.this.txt: "
+read -r -n 1 -p "Press any key to run: ./calc < try.this.txt (space = net page, q = quit): "
+echo 1>&2
+./calc < try.this.txt | less -rEXFK
+echo 1>&2
+
+read -r -n 1 -p "Press any key to run: ./ecalc < try.this.txt (space = next page, q = quit): "
+echo 1>&2
+./ecalc < try.this.txt | less -rEXFK
 echo 1>&2
-./calc < try.this.txt
 
 read -r -n 1 -p "Press any key to run: ./calc 42 # show hex value of 42: "
 echo 1>&2

thanks-for-help.md

@@ -2511,6 +2511,9 @@ terminal.
 [Cody](#cody) fixed this to compile in systems that require one to explicitly link in
 `libm`.
 
+Cody also added the [try.sh](/2000/briddlebane/try.sh) script for those who are
+feeling a bit too confident, cocky or even happy :-)
+
 
 ## <a name="2000_dhyang"></a>[2000/dhyang](/2000/dhyang/dhyang.c) ([README.md](/2000/dhyang/README.md]))