Add 2000/natori/try.alt.sh + improve try.sh
The try.alt.sh script is slightly different from try.sh in that the order is reversed. The try.sh script now at the end always starts out in a sequence of northern hemisphere then southern hemisphere so that one can guarantee to get that form. The try.alt.sh does the same but starts out with the southern hemisphere first.
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Cody Boone Ferguson committed
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@@ -22,6 +22,9 @@ version](#alternate-code) below.
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./try.sh
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```
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Try running this on different days, say a few days apart, and each time run it
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several times in a row (or several times in a day).
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Also try modifying the code so that it will show another Moon phase based on
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input or else just by the code itself. Bonus points if you can make it show all~
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@@ -47,6 +50,9 @@ make alt
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./natori.alt
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```
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Try running this on different days, say a few days apart, and each time run it
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several times in a row (or several times in a day).
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What happens if you run it in the northern hemisphere? Are there any
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differences?
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@@ -54,6 +60,15 @@ Can you identify any Moon phases that result in the same output of both
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versions? Or are there any?
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### Alternate try:
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```sh
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./try.alt.sh
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```
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Like with [try.sh](try.sh), try using this multiple times.
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## Judges' remarks:
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Here is a nice compact program that changes with the phase of the Moon.
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Executable
+162
@@ -0,0 +1,162 @@
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#!/usr/bin/env bash
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#
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# try.alt.sh - demonstrate IOCCC winner 2000/natori alt code
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#
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# make sure CC is set so that when we do make CC="$CC" it isn't empty. Doing it
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# this way allows us to have the user specify a different compiler in an easy
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# way.
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if [[ -z "$CC" ]]; then
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CC="cc"
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fi
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make CC="$CC" everything >/dev/null || exit 1
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# clear screen after compilation so that only the entry is shown
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clear
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NATORI="natori"
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moon()
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{
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read -r -n 1 -p "Press any key to randomly show the northern/southern hemisphere Moon: "
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echo 1>&2
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for ((i=0;i<=10;i++)); do
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RAND=$((RANDOM % 1000))
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if [[ "$RAND" -le 500 ]]; then
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./"$NATORI".alt
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echo 1>&2
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else
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./"$NATORI"
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echo 1>&2
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fi
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done
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echo 1>&2
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RAND=$((RANDOM % 1000))
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if [[ "$RAND" -gt 500 ]]; then
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read -r -n 1 -p "Press any key to alternate between the southern/northern hemisphere Moon: "
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echo 1>&2
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./"$NATORI".alt
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./"$NATORI"
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./"$NATORI".alt
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./"$NATORI"
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./"$NATORI".alt
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./"$NATORI"
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else
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read -r -n 1 -p "Press any key to alternate between the northern/southern hemisphere Moon: "
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echo 1>&2
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./"$NATORI"
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./"$NATORI".alt
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./"$NATORI"
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./"$NATORI".alt
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./"$NATORI"
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./"$NATORI".alt
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fi
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echo 1>&2
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echo "We will now reverse the order." 1>&2
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echo 1>&2
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if [[ "$RAND" -le 499 ]]; then
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read -r -n 1 -p "Press any key to alternate between the southern/northern hemisphere Moon: "
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echo 1>&2
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./"$NATORI".alt
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./"$NATORI"
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./"$NATORI".alt
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./"$NATORI"
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./"$NATORI".alt
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./"$NATORI"
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else
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read -r -n 1 -p "Press any key to alternate between the northern/southern hemisphere Moon: "
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echo 1>&2
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./"$NATORI"
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./"$NATORI".alt
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./"$NATORI"
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./"$NATORI".alt
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./"$NATORI"
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./"$NATORI".alt
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fi
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echo 1>&2
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echo "Will now use less(1): 'q' = quit, space = next page, enter = next line." 1>&2
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echo "We recommend that you try holding space down." 1>&2
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echo 1>&2
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RAND=$((RANDOM % 1000))
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if [[ "$RAND" -gt 500 ]]; then
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read -r -n 1 -p "Press any key to alternate between the southern/northern hemisphere Moon: "
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echo 1>&2
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( ./"$NATORI.alt"; ./"$NATORI" ; ./"$NATORI.alt" ; ./"$NATORI"; \
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./"$NATORI.alt"; ./"$NATORI" ) | less -rEXF
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else
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read -r -n 1 -p "Press any key to alternate between the northern/southern hemisphere Moon: "
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echo 1>&2
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( ./"$NATORI"; ./"$NATORI.alt" ; ./"$NATORI" ; ./"$NATORI.alt"; \
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./"$NATORI"; ./"$NATORI.alt" ) | less -rEXF
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fi
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echo 1>&2
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echo "Will now use less(1): 'q' = quit, space = next page, enter = next line." 1>&2
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echo "We now recommend that you try holding enter down." 1>&2
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echo 1>&2
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if [[ "$RAND" -gt 500 ]]; then
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read -r -n 1 -p "Press any key to alternate between the southern/northern hemisphere Moon: "
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echo 1>&2
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( ./"$NATORI.alt"; ./"$NATORI" ; ./"$NATORI.alt" ; ./"$NATORI"; \
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./"$NATORI.alt"; ./"$NATORI" ) | less -rEXF
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else
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read -r -n 1 -p "Press any key to alternate between the northern/southern hemisphere Moon: "
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echo 1>&2
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( ./"$NATORI"; ./"$NATORI.alt" ; ./"$NATORI" ; ./"$NATORI.alt"; \
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./"$NATORI"; ./"$NATORI.alt" ) | less -rEXF
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fi
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echo 1>&2
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echo "We will now reverse the order." 1>&2
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echo 1>&2
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echo "Will now use less(1): 'q' = quit, space = next page, enter = next line." 1>&2
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echo "We recommend that you try holding space down." 1>&2
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echo 1>&2
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if [[ "$RAND" -le 499 ]]; then
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read -r -n 1 -p "Press any key to alternate between the southern/northern hemisphere Moon: "
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echo 1>&2
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( ./"$NATORI.alt"; ./"$NATORI" ; ./"$NATORI.alt" ; ./"$NATORI"; \
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./"$NATORI.alt"; ./"$NATORI" ) | less -rEXF
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else
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read -r -n 1 -p "Press any key to alternate between the northern/southern hemisphere Moon: "
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echo 1>&2
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( ./"$NATORI"; ./"$NATORI.alt" ; ./"$NATORI" ; ./"$NATORI.alt"; \
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./"$NATORI"; ./"$NATORI.alt" ) | less -rEXF
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fi
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echo 1>&2
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echo "Will now use less(1): 'q' = quit, space = next page, enter = next line." 1>&2
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echo "We now recommend that you try holding enter down." 1>&2
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echo 1>&2
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if [[ "$RAND" -le 499 ]]; then
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read -r -n 1 -p "Press any key to alternate between the southern/northern hemisphere Moon: "
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echo 1>&2
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( ./"$NATORI.alt"; ./"$NATORI" ; ./"$NATORI.alt" ; ./"$NATORI"; \
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./"$NATORI.alt"; ./"$NATORI" ) | less -rEXF
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else
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read -r -n 1 -p "Press any key to alternate between the northern/southern hemisphere Moon: "
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echo 1>&2
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( ./"$NATORI"; ./"$NATORI.alt" ; ./"$NATORI" ; ./"$NATORI.alt"; \
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./"$NATORI"; ./"$NATORI.alt" ) | less -rEXF
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fi
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echo 1>&2
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# Finally, for the try.alt.sh (alt code, southern hemisphere), force
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# starting with southern hemisphere.
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echo "Will now use less(1): 'q' = quit, space = next page, enter = next line." 1>&2
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echo "We now recommend that you try holding enter down." 1>&2
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read -r -n 1 -p "Press any key to alternate between the southern/northern hemisphere Moon: "
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echo 1>&2
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( ./"$NATORI.alt"; ./"$NATORI" ; ./"$NATORI.alt" ; ./"$NATORI"; \
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./"$NATORI.alt"; ./"$NATORI" ) | less -rEXF
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echo 1>&2
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}
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# show the Moon phase in artistic ways!
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moon
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@@ -144,6 +144,17 @@ moon()
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./"$NATORI.alt"; ./"$NATORI" ) | less -rEXF
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fi
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echo 1>&2
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# Finally, for the try.sh (original entry, northern hemisphere), force
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# starting with northern hemisphere.
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echo "Will now use less(1): 'q' = quit, space = next page, enter = next line." 1>&2
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echo "We now recommend that you try holding enter down." 1>&2
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read -r -n 1 -p "Press any key to alternate between the northern/southern hemisphere Moon: "
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echo 1>&2
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( ./"$NATORI"; ./"$NATORI.alt" ; ./"$NATORI" ; ./"$NATORI.alt"; \
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./"$NATORI"; ./"$NATORI.alt" ) | less -rEXF
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echo 1>&2
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}
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# show the Moon phase in artistic ways!
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