8/13/2023 0 Comments Grep unique lines![]() ![]() I don't care about other columns i just want all the row where ip adddress must be unique. We can also use the sed command to print unique occurrence of a pattern. I want to extract the last 10 unique entries from this file. The m option can be used to display the number of matching lines. Get unique lines from log using grep and tail Ask Question Asked 7 years, 2 months ago Modified 7 years, 1 month ago Viewed 5k times 2 I have the following log file. I need the whole row and the ip must be unique Pipe the output of grep command to head command to get the first line. equivalent to running several greps in a sequence: grep pattern1 grep pattern2. Input text file contains details as follows: Jan 11 11:11:11 11: 11:11: ABCDEFGHI_ABCDEFG_ABCD: application:none, ab0.567 123.75.88.860:98765 -> 117.140.79.118:123(UDP) 162 I would like to get the multi pattern match with implicit AND between patterns, i.e. not all the lines have similar content but they match on a specific field. last goes first and first goes last this is needed as sort -u will output the first entry as unique while using key-wise sort i.e. I want to grep the unique ip addresses and print all the tuples of that matching ip address. tac will reverse the lines of input content i.e. ![]() The grep command is handy when searching through large log files. When it finds a match, it prints the line with the result. The text search pattern is called a regular expression. ![]() I have a text file that contain some details. Grep is a Linux / Unix command-line tool used to search for a string of characters in a specified file. ![]()
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