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  1. #!/bin/bash
  2. # your code goes here
  3. awk '
  4. match($0,/([0-9]+\.){3}[0-9]+/){
  5.   arr[substr($0,RSTART,RLENGTH)]++
  6. }
  7. END{
  8.   for(i in arr){
  9.     print arr[i]":"i
  10.   }
  11. }
  12. '
Success #stdin #stdout 0s 4296KB
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stdin
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1.2.2.2 LOCAL_IP
LOCAL_IP 1.1.1.1
1.1.1.1 LOCAL_IP
233.233.233.233 LOCAL_IP
123.123.123.123 LOCAL_IP
233.233.233.233 LOCAL_IP
231.231.231.231 LOCAL_IP
123.123.123.123 LOCAL_IP
LOCAL_IP 123.111.23.2
LOCAL_IP 221.22.22.22
1.1.1.1 LOCAL_IP
LOCAL_IP 1.2.2.2
LOCAL_IP 123.123.123.123
2.2.2.2 LOCAL_IP 
LOCAL_IP 3.3.21.2
LOCAL_IP 2.2.2.2
1.2.2.2 LOCAL_IP
LOCAL_IP 123.123.123.123
LOCAL_IP 123.111.23.2
1.1.1.1 LOCAL_IP
stdout
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1:3.3.21.2
2:123.111.23.2
1:231.231.231.231
2:233.233.233.233
4:123.123.123.123
3:1.2.2.2
4:1.1.1.1
2:2.2.2.2
1:221.22.22.22
https://ideone.com/oKFxR7
language:
Bash (bash 5.0.3)
created:
5 years ago
visibility:
public

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