awk

rucypli

awk '{a[$1]=$2","a[$1]}END{for(i in a)print i,a[i]}' urfile

jason9699

回复 10# yinyuemi

这个貌似又有多余的,号了.上一个已经去掉多余的,号了.


   

jason9699

原数据
a1 hdsk1
a1 hdk2
b1 hdk3
a1 hdisk5
a1 hdk6
b1 hdk7
c1 hk8
b1
c2
   


想要输出结果
a1 hdsk1,hdk2,hdisk5,hdk6
b1 hdk3,hdk7
c1 hk8
c2


现在出来的类似
a1 hdsk1,hdk2,hdisk5,hdk6
b1 hdk3,hdk7,
c1 hk8


b1 hdk3,hdk7, 不想要这个,号
但c2还要

有办法么?谢谢

yinyuemi

回复 13# jason9699

1. echo 'a1 hdsk1
   
2. a1 hdk2
   
3. b1 hdk3
   
4. a1 hdisk5
   
5. a1 hdk6
   
6. b1 hdk7
   
7. c1 hk8
   
8. b1
   
9. c2' |awk 'a[$1]&&NF==1{next}{a[$1]=a[$1]?a[$1]","$2:$0}END{for(i in a)print a[i]}'
   
10. a1 hdsk1,hdk2,hdisk5,hdk6
    
11. b1 hdk3,hdk7
    
12. c1 hk8
    
13. c2
    

复制代码

jason9699

回复 14# yinyuemi

是我敲错了,这个好用,多谢!