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玩转Linux命令行 – 事件处理 – EP3

zxi — Fri, 08 May 2020 07:40:47 +0000

Download Data

download.sh

for i in $(seq -w 01 80)
do  
  curl -O -J https://raw.githubusercontent.com/rozim/ChessData/master/mega2400_part_${i}.pgn
done

V1

cat *.pgn | grep "Result" | sort | uniq -c

V2

cat *.pgn | grep "Result" | awk '{ split($0, a, "-"); res = substr(a[1], length(a[1]), 1); if (res == 1) white++; if (res == 0) black++; if (res == 2) draw++;} END { print white+black+draw, white, black, draw }'

V3

find . -type f -name '*.pgn' -print0 | xargs -0 -n1 -P8 mawk '/Result/ { split($0, a, "-"); res = substr(a[1], length(a[1]), 1); if (res == 1) white++; if (res == 0) black++; if (res == 2) draw++ } END { print white+black+draw, white, black, draw }' | awk '{games += $1; white += $2; black += $3; draw += $4; } END { print games, white, black, draw }'

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