BASH의 3행과 2행 비교

이 질문은 다음과 유사합니다.여기약간 수정됨:

| sed '
    :1
    N    #add next line
    s/\([0-9.]\+\)\s\S\+\n.*\s\1\s\S\+$/\1 both/
    t1   #go to point 1 if exchange took place
    P    #print first line from two
    D    #remove first line, return to start
    '

귀하의 요구 사항을 충족합니까?

 awk 'BEGIN{ip="nothing" 
    time=""
    type=""
 }
 {
    # if the currently processed ip is not the same as the line 
    # being processed then we need to print the data.
    if (ip != $3)
    {
       # if ip == nothing then this is the first line do not print.
       # otherwise we are at a line with a new ip and we should print
       # the data saved from previous lines.
       if(ip != "nothing")
       { 
          print time, ip, type
       }
    # Remove the time update line since we are now doing it outside the
    # if statement so it always updates the time. This will make the 
    # outputted line print the last time stamp for each IP.
    #time=$1" "$2
    ip=$3
    type=$4
    }
    else if (type != $4)
    {
       type="both"
    }
    # no matter what update the time stamp value so that the latest
    # time stamp is kept for any given ip. Putting it after the if
    # that handles when a new ip is found, makes sure that it does not
    # override the value printed for the old ip line.
    time=$1" "$2
 }
 END{
    # Once we reach the end of the input, we still have 
    # the last set of values to print.
    print time, ip, type
 }'

파일을 읽고 IP가 동일하고 유형(des, src, 둘 다)이 다른 두 개의 연속 라인이 있는 경우 유형을 둘 다로 변경하고, 그렇지 않으면 데이터에서 새 IP가 발견되면 인쇄할 유형이 됩니다. 그것은 ...

주어진 입력 파일foo.txt:

1. sort처음 세 필드의 숫자,
2. 사용datamashIP 태그 결합 작업을 실제로 완료하고,
3. cut중복 필드,

4. 그런 다음 sed조합 태그를 "모두"로 바꿉니다.

   sort -r -k1n -k2n -k3n foo.txt | \
     datamash -W -f -s -g3 collapse 4 | \
     cut --complement -f4 | \
     sed 's/\t[sdb].*,.*$/\tboth/g'
   

산출:

2014-11-24  12:59:42.169    101.0.0.0       source
2014-11-24  12:59:40.375    104.156.80.0    destination
2014-11-24  12:59:36.729    104.219.48.0    destination
2014-11-24  12:59:40.377    104.37.160.0    source
2014-11-24  12:59:06.456    107.188.128.0   both
2014-11-24  12:59:42.043    107.192.0.0     both
2014-11-24  12:59:33.209    108.175.32.0    both
2014-11-24  12:59:55.488    111.0.0.0       both

OP에 제공된 코드를 수정했습니다.

awk '{print $3}' input.txt | sort -u | while read line
do 
    echo -n `grep $line input.txt | \
      sort -r | head -1 | \
      grep -oe "[^a-z]*"` ' ' # print latest time stamp
    if [[ $(grep -c $line input.txt) -ge 2 ]];  then 
        echo  'both'
    else
        echo `grep $line input.txt | grep -oe "[a-z]*"`
    fi
done

산출:

2014-11-24 12:59:42.169 101.0.0.0  source
2014-11-24 12:59:40.375 104.156.80.0  destination
2014-11-24 12:59:36.729 104.219.48.0  destination
2014-11-24 12:59:40.377 104.37.160.0  source
2014-11-24 12:59:06.456 107.188.128.0  both
2014-11-24 12:59:42.043 107.192.0.0  both
2014-11-24 12:59:33.209 108.175.32.0  both
2014-11-24 12:59:55.488 111.0.0.0  both