usr/bin/time grep -i -E "(loginmanager)" /var/log/tomcat/tomcat.log.1 | grep -v -e "login OK" -e "Login expired" | wcĢ3.08user 0.14system 0:23.55elapsed 98%CPU (0avgtext+0avgdata 3504maxresident)kĢ3.50user 0.15system 0:25. excludeGLOB Skip files whose base name matches GLOB (using wildcard. To print the lines that do not contain the string nologin, run the following command: grep -wv nologin. Use the -v (or -invert-match) option to display just the lines that do not match a search pattern. usr/bin/time grep -i -E "(loginmanager)" /var/log/tomcat/tomcat.log.1 | sed -e "/login OK/d" -e "/Login expired/d" | wcĢ4.05user 0.15system 0:25.27elapsed 95%CPU (0avgtext+0avgdata 3504maxresident)kĠinputs+0outputs (0major+246minor)pagefaults 0swapsĢ3.50user 0.16system 0:24.48elapsed 96%CPU (0avgtext+0avgdata 3504maxresident)k exclude-dirDIR Exclude directories matching the pattern DIR from recursive searches. In this tutorial, you will use grep command to exclude one or more words, patterns, or directories from a search. So I am going to use sed as I combine quite a number of filters on sed. Sed has some other useful text replacement features which I often use to better filter the out put of log files. Direct invocation as either egrep or fgrep is deprecated, but is provided to allow historical applications that rely on them to run. In addition, three variant programs egrep, fgrep and rgrep are available. Please note, we have specified only old above instead of /home/data/old since you need to specify the excluded directory’s path relative to the search folder.From my experiments it does not seam to make much difference if you pipe your exclude terms By default, grep prints the matching lines. $ sudo grep -R -exclude-dir=old "total" /home/data n : Display the matched lines and their line numbers. Answers related to grep exclude any folder name To exclude directory with particluar pattern : zip linux exclude directory command can be used to find. i : Ignores, case for matching -l : Displays list of a filenames only. Here is an example to search string total in folder /home/data but exclude /home/data/old subfolder. grep options pattern files Options Description -c : This prints only a count of the lines that match a pattern -h : Display the matched lines, but do not display the filenames. Next, you need to enter search string, and finally the folder path in which you want to search the specified string. Here are several ways to tell grep to ignore different things. Remember that this path is relative to the search directory. Since 1974, the Linux grep command has been helping people find strings in files. In the above command, you need to specify path to excluded folder or directory in place of /path/to/dir. grep -R -exclude-dir=/path/to/dir search_string folder_path Here is the syntax to exclude files & directories in grep command. Sometimes while using grep with -r or -R option (recursive search) you may need to exclude specific directories from search results. (grepl(pattern, a, ignore.case TRUE))) aaiw. sub and gsub perform replacement of the first and all matches respectively. Here is how to exclude directory & files in grep command. grep, grepl, regexpr, gregexpr and regexec search for matches to argument pattern within each element of a character vector: they differ in the format of and amount of detail in the results. Using grep command (exact order): grep -E 'PATTERN1.PATTERN2' FILE. Use one of the following commands to find and print all the lines of a file, that match multiple patterns. You can easily do this using –exclude-directory option. Note, that you can both find the lines in a file that match multiple patterns in the exact order or in the any order.
Sometimes while using grep command to recursively search for strings in directories & folders, you may need to exclude certain directory & files.