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How can I use grep to find a word inside a folder?
grep -nr string my_directory. Additional notes: this satisfies the syntax grep [options] string filename because in Unix-like systems, a directory is a kind of file (there is a term “regular file” to specifically refer to entities that are called just “files” in Windows).
How to use grep to search for files on the shell?
If you have a bunch of text files in a directory hierarchy, e.g, the Apache configuration files in /etc/apache2/ and you want to find the file where a specific text is defined, then use the -r option of the grep command to do a recursive search.
How to grep a string in a directory?
How to grep a string or a text in a directory and all its subdirectories’files in LINUX ?? -r is for recursive; -e is optional but its argument specifies the regex to search for. Interestingly, POSIX grep is not required to support -r (or -R ), but I’m practically certain that System V grep did, so in practice they (almost) all do.
How does grep search for lines of text?
By default, grep displays the matched lines, and it can be used to search for lines of text that match a regular expression (s), and it outputs only the matched lines. The basic grep command syntax is as follows:
How to grep with a list of words Stack Overflow?
The option -F does a fixed string search where as -f is for specifying a file of patterns. You may want both if the file only contains fixed strings and not regexps. Read man grep for a description of all the possible arguments and what they do.
Can you use grep to search multiple strings?
You can grep multiple strings in different files and directories. The tool prints all lines that contain the words you specify as a search pattern. In this guide, we will show you how to use grep to search multiple words or string patterns.
Is there a way to ignore case distinctions in grep?
To perform ignore case distinctions use the -i option: One can search compressed file using the zgrep command. It invokes grep on compressed or gzipped file. The syntax is same as grep: This page explained the grep command that is used to search text, strings or words for given text file.