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40 lines
1.1 KiB
40 lines
1.1 KiB
12 months ago
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#!/bin/sh
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sum=0
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while read line; do
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num1="$(echo "$line" | sed -n 's/^[^0-9]*\([0-9]\).*/\1/p')"
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num2="$(echo "$line" | sed -n 's/.*\([0-9]\)[^0-9]*$/\1/p')"
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sum=$(( $sum + $num1$num2 ))
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done < d01_input.txt
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echo "$sum"
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sum=0
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while read line; do
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line1="$(echo "$line" | sed \
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-e 's/\(one\|two\|three\|four\|five\|six\|seven\|eight\|nine\)/%\1%/' \
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-e 's/%one%/1/' \
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-e 's/%two%/2/' \
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-e 's/%three%/3/' \
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-e 's/%four%/4/' \
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-e 's/%five%/5/' \
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-e 's/%six%/6/' \
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-e 's/%seven%/7/' \
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-e 's/%eight%/8/' \
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-e 's/%nine%/9/')"
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line2="$(echo "$line" | sed \
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-e 's/.*\(one\|two\|three\|four\|five\|six\|seven\|eight\|nine\)/%\1%/' \
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-e 's/%one%/1/' \
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-e 's/%two%/2/' \
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-e 's/%three%/3/' \
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-e 's/%four%/4/' \
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-e 's/%five%/5/' \
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-e 's/%six%/6/' \
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-e 's/%seven%/7/' \
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-e 's/%eight%/8/' \
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-e 's/%nine%/9/')"
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num1="$(echo "$line1" | sed -n 's/^[^0-9]*\([0-9]\).*/\1/p')"
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num2="$(echo "$line2" | sed -n 's/.*\([0-9]\)[^0-9]*$/\1/p')"
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sum=$(( $sum + $num1$num2 ))
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done < d01_input.txt
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echo "$sum"
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