Create one-liner.sh

diff --git a/day1/one-liner.sh b/day1/one-liner.sh
new file mode 100644 (file)
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--- /dev/null
+++ b/day1/one-liner.sh
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+cat input | tr '\n' '+' | sed 's/++/\n/' | bc | sort -n | tail -n 3
+# sum the top three with a calculator :)