That’s It! If you know any other command-line trick to find string or word in files, do share with us or ask any questions regarding this topic, use the comment form below. 14 For exact match use -x switch grep -x -f A.txt B.txt EDIT: If you don't want grep's regex capabilities and need to treat search pattern as fixed-strings then use -F switch as: grep -xF -f A.txt B.txt -x, -line-regexp Only input lines selected against an entire fixed string or regular expression are considered to be matching lines. $ grep -Rinw ~/bin/ -e 'check_root' -e 'netstat' In addition, it is possible to search for more than one pattern, using the following command. $ grep -Rnw -include=\*.sh ~/bin/ -e 'check_root' This example instructs grep to only look through all. $ grep -Rinw ~/bin/ -e 'check_root'Īssuming there are several types of files in a directory you wish to search in, you can also specify the type of files to be searched for instance, by their extension using the -include option. If you want to know the exact line where the string of text exist, include the -n option. To ignore case distinctions employ the -i option as shown: $ grep -Riw ~/bin/ -e 'check_root' You can also use the wildcard () to select all files in a directory. Note that single or double quotes are required around the text if it is more than one word.
The syntax is: grep
You should use the sudo command when searching certain directories or files that require root permissions (unless you are managing your system with the root account). Without passing any option, grep can be used to search for a pattern in a file or group of files. 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. The command below will list all files containing a line with the text “ check_root”, by recursively and aggressively searching the ~/bin directory. Read Also: 11 Advanced Linux ‘Grep’ Commands on Character Classes and Bracket Expressions
#Aix grep exact match how to#
This article will guide you on how to do that, you will learn how to recursively dig through directories to find and list all files that contain a given string of text.Ī simple way to work this out is by using grep pattern searching tool, is a powerful, efficient, reliable and most popular command-line utility for finding patterns and words from files or directories on Unix-like systems. Do you want to find all files that contain a particular word or string of text on your entire Linux system or a given directory.
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