64 lines
1.2 KiB
Bash
Executable file
64 lines
1.2 KiB
Bash
Executable file
#! /bin/bash
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#set -x
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FILE_IN="${1}"
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left_list=()
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right_list=()
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while read -r l; do
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echo "reading new line [$l]"
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IFS=" "
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read -ra line_split <<< "${l}"
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unset IFS
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echo "first number [${line_split[0]}]"
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echo "second number [${line_split[1]}]"
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left_list+=("${line_split[0]}")
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right_list+=("${line_split[1]}")
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done <"$FILE_IN"
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echo "${left_list[@]}"
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echo "${right_list[@]}"
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if [[ ${#left_list[@]} -ne ${#right_list[@]} ]]; then
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echo "arrays dont match, wtf?"
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exit 1
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else
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echo "length of lists ${#left_list[@]}"
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fi
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echo "sorting time"
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IFS=$'\n'
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mapfile sorted_left_list <<<"$(sort <<<"${left_list[*]}")"
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mapfile sorted_right_list <<<"$(sort <<<"${right_list[*]}")"
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unset IFS
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echo "${sorted_left_list[@]}"
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echo "${sorted_right_list[@]}"
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sorted_list_diff=()
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echo "adding time"
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for i in "${!sorted_left_list[@]}"; do
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echo "left index: ${i} value: ${sorted_left_list[$i]}"
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echo "right index: ${i} value: ${sorted_right_list[$i]}"
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i_diff=$((${sorted_left_list[$i]}-${sorted_right_list[$i]}))
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echo "diff ${i_diff}"
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sorted_list_diff+=("${i_diff#-}")
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done
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echo "${sorted_list_diff[@]}"
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final_out=0
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for v in "${sorted_list_diff[@]}"; do
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final_out=$((final_out + v))
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done
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echo "final output: ${final_out}"
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