27 lines
447 B
Bash
Executable File
27 lines
447 B
Bash
Executable File
#!/usr/bin/env bash
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set -o errexit
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set -o nounset
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set -o pipefail
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if [[ "${TRACE-0}" == "1" ]]; then
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set -o xtrace
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fi
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INPUT=$1
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main ()
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{
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declare -a components
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declare -i result=0
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while read -r line; do
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mapfile -t matches <<< "$(grep -o '[[:digit:]]' <<< "${line}")"
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components+=("${matches[0]}${matches[-1]}")
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done < "${INPUT}"
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for value in "${components[@]}"; do
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(( result += value ))
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done
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echo "${result}"
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}
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main
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