59 lines
1.6 KiB
Bash
59 lines
1.6 KiB
Bash
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#!/usr/bin/env bash
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rm key-*
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while read -r LINE
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do
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GREP_EXPR=$( printf "%s" "$LINE" | tr ',' '|' )
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PASS_RULES=0
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# Loop through rules and find a breaking rule
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while read -r RULE
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do
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GREPC=$( printf "%s" "$LINE" | grep -c "$RULE" )
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if [[ $GREPC -ne 1 ]]
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then
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#printf "%s rule violated for %s \n" "$RULE" "$LINE"
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PASS_RULES=1
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break
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fi
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# Filter rules that only has included pages
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done <<< "$( < input-rules grep -E "($GREP_EXPR)\\|($GREP_EXPR)" | sed 's/|/,.*/')"
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# Don't process for valid lines
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[[ $PASS_RULES -eq 0 ]] && continue
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# Generate a hashmap and rebuild the entire line from rules
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CACHED_LINE=$LINE
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while [[ $( printf "%s" "$CACHED_LINE" | tr ',' '\n' | wc -c ) -gt 0 ]]
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do
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# Loop through rules and build all the KVs
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rm key-*
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DAG_GREP_EXPR=$( printf "%s" "$CACHED_LINE" | tr ',' '|' )
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while read -r RULE
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do
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KEY=$( printf "%s" "$RULE" | cut -f1 -d'|' )
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VALUE=$( printf "%s" "$RULE" | cut -f2 -d'|' )
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printf "%s" "$VALUE" > key-"$KEY"
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done <<< "$( < input-rules grep -E "($DAG_GREP_EXPR)\\|($DAG_GREP_EXPR)" )"
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KEY=$( printf "%s" "$CACHED_LINE" | tr ',' '\n' | head -1 )
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# Going through dependencies to find final key
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while [[ -f key-$KEY ]]
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do
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KEY=$( cat "key-$KEY" )
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done
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printf "%s\n" "$KEY"
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CACHED_LINE=$( printf "%s" "$CACHED_LINE" | tr ',' '\n' | grep -v "$KEY" | paste -s -d ',' )
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done | tac | paste -s -d' '
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done < input-updates |
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tee final-output |
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awk '
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BEGIN{ total = 0 }
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{
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if (NF % 2 == 1) {
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idx = int( NF / 2 ) + 1
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} else {
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idx = NF / 2
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}
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total += $idx
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}
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END{ print total }'
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