grep 匹配

1cpuer

1. # [ /home/soio/1bs/awks ] {2018-05-26 08:02:12}
   
2. : 1527292932:0;➜  grep -o -E "[a-z]+_[0-9]+_[a-z 0-9]+\b" 1.dd
   
3. chiyu_3636_s241n2434
   
4. test_3630_s11245
   
5. test_113610_t246
   
6. chiyu_3636_s241n2434
   
7. test_3630_s11245
   
8. test_113610_t246
   
9. 
   

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回复 1# ma3501406

grep -o "\w\+_\w\+_\w\+" 1.dd
chiyu_3636_s241n2434
test_3630_s11245
test_113610_t246

Christmas0112

ma3501406 发表于 2018-05-28 16:45
回复 2# 1cpuer
要显示成如下
chiyu_3636_s241n2434

屁股后面接个管道 然后 xargs

1cpuer

回复 3# ma3501406

sed 's/[a-z]\+_[0-9]\+_[a-z 0-9]\+\b/|<&>|/g; s/>|.*|</  /g ;s/^.*|<//g; s/>|.*$//g' 1.dd
grep -o 指定字符串的行 -v 排除字符串的行
只包含字符串的行作用 grep 几乎无法完成 ；设置变量也难
那其他语言和命令或代码不无可行的

wh7211

回复 1# ma3501406

1. awk -F"[][]" '{for(i=1;i<=NF;i++){split($i,a,",");b=a[1]?b?b" "a[2]:a[2]:b};gsub("\"","",b);print b;b=""}' file

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christmas1102

1. cat FILE
   
2. dest = ["127.0.0.1","chiyu_3636_s241n2434"]
   
3. all = [["127.0.0.1","test_3630_s11245"],["127.0.0.1","test_113610_t246"]]

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1. sed -r 'N;s/.+"(\w+)"\S+\n.+"(\w+)".+"(\w+)"\S+/\1 \2 \3/' FILE

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1. grep -Po '(?<=\42\54\42)\w+(?=\42\135)' FILE|xargs

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这一看就是python的list，丢在python里都不用正则

chengchow

print dest[1]+'\n'+all[0][1]+' '+all[1][1]