kk yy why

1cpuer

# [ /home/soio/1bs/awks ] {2018-04-05 15:58:53}
: 1522915133:0;➜  cat 2.ixi                                                                     
A B C D
a 11 21 31
b 41 51 61



# [ /home/soio/1bs/awks ] {2018-04-05 15:59:09}
: 1522915149:0;➜  awk 'NR>1{arr[i]=$i}{for (i in arr) printf "arr[%d] = %d\n", i, arr[i]}' 2.ixi
arr[0] = 0
arr[0] = 0
arr[0] = 0

yy why ??

wh7211

回复 1# 1cpuer

1. awk 'NR>1{arr[i]=$i}{for (i in arr) printf "arr[%s] = %s\n", i, arr[i]}' 1
   
2. arr[] = a 11 21 31
   
3. arr[] = b 41 51 61

复制代码

1cpuer

回复 2# wh7211

# [ /home/soio/1bs/awks ] {2018-04-05 22:08:33}
: 1522937313:0;➜  awk 'NR>1{for (i=1;i<=NF;i++){$1="";arr=$i}} {for (i in arr) printf "arr[%d] = %d\n", i, arr}' 2.ixi  
arr[1] = 0
arr[2] = 11
arr[3] = 21
arr[4] = 31
arr[1] = 0
arr[2] = 41
arr[3] = 51
arr[4] = 61
arr[1] = 0
arr[2] = 41
arr[3] = 51
arr[4] = 61

最后4行重复了，问题出哪了？

# [ /home/soio/1bs/awks ] {2018-04-06 11:40:09}
: 1522986009:0;➜  awk 'NR>1{arr=$i}{for (i in arr) printf "arr[%d] = %s\n", i, arr}' 2.ixi
arr[0] = a 11 21 31
arr[0] = b 41 51 61
arr[0] =

# [ /home/soio/1bs/awks ] {2018-04-06 11:42:33}
: 1522986153:0;➜  awk 'NR>1{for (i=1,i<=NR,i++)arr=$i}{for (i in arr) printf "arr[%d] = %s\n", i, arr}' 2.ixi
awk: 命令行:1: NR>1{for (i=1,i<=NR,i++)arr=$i}{for (i in arr) printf "arr[%d] = %s\n", i, arr}
awk: 命令行:1:              ^ syntax error
awk: 命令行:1: NR>1{for (i=1,i<=NR,i++)arr=$i}{for (i in arr) printf "arr[%d] = %s\n", i, arr}
awk: 命令行:1:                    ^ syntax error




### for (i=1,i<=NR,i++) 如何添加不了
#其实就是想打印
arr[1]
arr[2]

wh7211

回复 3# 1cpuer

1. cat 1
   
2. A B C D
   
3. a 11 21 31
   
4. b 41 51 61
   
5. 
   
6. awk 'NR>1{for(i=1;i<=NF;i++){arr[i]=$i};for(i in arr){printf("arr[%d] = %d\n",i,arr[i])}}' 1
   
7. arr[4] = 31
   
8. arr[1] = 0
   
9. arr[2] = 11
   
10. arr[3] = 21
    
11. arr[4] = 61
    
12. arr[1] = 0
    
13. arr[2] = 41
    
14. arr[3] = 51

复制代码

1cpuer

回复 4# wh7211

# [ /home/soio/1bs/awks ] {2018-04-06 15:36:28}
: 1523000188:0;➜  awk 'NR>1{for(i=1;i<=NF;i++){arr=$i}{for(i in arr)printf("arr[%d] = %d\n",i,arr)}}' 2.ixi
arr[1] = 0
arr[2] = 11
arr[3] = 21
arr[4] = 31
arr[1] = 0
arr[2] = 41
arr[3] = 51
arr[4] = 61
arr[1] = 0
arr[2] = 41
arr[3] = 51
arr[4] = 61

# [ /home/soio/1bs/awks ] {2018-04-06 15:46:45}
: 1523000805:0;➜  cat -A 2.ixi
A B C D$
a 11 21 31$
b 41 51 61 $
$


# [ /home/soio/1bs/awks ] {2018-04-06 15:46:50}
: 1523000810:0;➜  vim 2.ixi   


# [ /home/soio/1bs/awks ] {2018-04-06 15:47:03}
: 1523000823:0;➜  awk 'NR>1{for (i=1;i<=NF;i++){$1="";arr=$i}} {for (i in arr) printf "arr[%d] = %d\n", i, arr}' 2.ixi
arr[1] = 0
arr[2] = 11
arr[3] = 21
arr[4] = 31
arr[1] = 0
arr[2] = 41
arr[3] = 51
arr[4] = 61