裙下之臣0012

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全部文章（共29篇）

题解 | #netstat练习2-很吊的解法#

#!/bin/bash awk -F ' +|:' '/3306.+ESTABLISHED/{list[$6]++}END{for(i in list){print list[i]" "i}}' "./nowcoder.txt" | sort -k1 -n ...

2024-05-22

0 277

题解 | #Nginx日志分析2-统计某个时间段的IP#

#!/bin/bash #grep -E "23\/Apr\/2020\:2[0-3]" "./nowcoder.txt" | awk -F ' ' '{list[$1]++}END{sum=0; for(i in list){sum++} print su...

2024-05-17

0 319

题解 | #Nginx日志分析1-IP访问次数统计#

#!/bin/bash #grep -E "23\/Apr\/2020" "./nowcoder.txt" | awk -F ' ' ' { list[$1]++ } END{ for(i in list){ print list[i]" &quo...

2024-05-17

0 244

题解 | #打印只有一个数字的行#

#!/bin/bash #awk -F '' 'BEGIN{sum=0} {sum=0; for(i=1;i<NF+1;i++){if($i ~ /[0-9]/){sum++;}} if(sum==1){print $0} }' "./nowcoder.txt" #gr...

2024-05-14

0 317

题解 | #ps分析-统计VSZ,RSS各自总和#

#!/bin/bash awk 'BEGIN{VSZ=0.0;RSS=0.0;} {VSZ+=$5;RSS+=$6;} END{ print "MEM TOTAL"; printf("VSZ_SUM:%.1fM,RSS_SUM:%.3fM",VSZ/1024...

2024-05-08

0 259

题解 | #业务分析-提取值#

#!/bin/bash echo serverVersion:$(grep -oP "Server version\:\K.+$" "./nowcoder.txt") echo serverName:$(grep -oP "number\:\K.+...

2024-05-08

1 243

题解 | #求平均值#

#!/bin/bash awk '{ if(NR==1){n=$0;}else{sum+=$0;} if(NR==n+1){printf("%.3f",sum/n);} }'

2024-04-29

0 287

题解 | #求平均值#

#!/bin/bash read n sum=0 temp=0 for (( i=0;i<n;i++ )) do read temp sum=$(( sum+temp )); done #echo $sum echo $( echo "scale=3; $sum/...

2024-04-29

0 301

题解 | #转置文件的内容#

#!/bin/bash awk '{for(i=1;i<NF+1;i++){list[i]=list[i]" "$i}}END{for(i in list){print list[i]}}' "./nowcoder.txt"

2024-04-27

0 244

题解 | #打印字母数小于8的单词#

#!/bin/bash grep -Eo "\b[a-z]{1,7}\b" "./nowcoder.txt"

2024-04-25

0 258