Find Word In Log File Linux

May 28, 2019 · How to Find a Specific Word in a File on Linux. By default, most search tools look at file names, not file contents. However, the most famous GNU search program, grep, will look inside files with the correct flags. Here we will show you how you can find specific word(s) in a file on Linux.

file_to_search.log: as the last argument to grep here, you specify the file(s) you want to search for > search_results.log: The > means output redirection. Here it means "write the output from this command to a file called search_results.log. If the file exists already, overwrite it completely.

May 30, 2018 · Find a Word in Directory Where the -R option tells grep to read all files under each directory, recursively, following symbolic links only if they are on the command line and option -w instructs it to select only those lines containing matches that form whole words, and -e is used to specify the string (pattern) to be searched.

Sep 04, 2017 · To find files containing specific text in Linux, do the following. Open your favorite terminal app. XFCE4 terminal is my personal preference. Navigate (if required) to the folder in which you are going to search files with some specific text. Type the following command: grep -iRl "your-text-to-find" ./ Here are the switches:-i - ignore text case

Oct 08, 2019 · The grep command is primarily used to search text or search any given file for lines containing a match to the supplied words/strings. By default, grep displays the matching lines, and it may be used to search for lines of text matching one/many regular expressions in a fuss-free, and it outputs only the matching lines.Author: Srijan Kishore

Mar 23, 2018 · 2. Search Multiple String in All Files. You can also specify multiple strings to search using -e switch. This is similar to egrep command. Below example will search strings “tecadmin” and “https” in all files in /var/log directory and its sub-directories.