How to grep a string in a directory and all its subdirectories?

How to grep a string in a directory and all its subdirectories?

Closed 8 years ago. 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.

How to search a directory in Linux using grep?

You can use grep command to search files for given words on a Linux or Unix-like system. The basic syntax is as follows: Pass the -r option to grep command to search recursively through an entire directory tree. With this option one can search the current directory and and all levels of subdirectories by passing the -r or -R to the grep command.

How to use grep only in specific files?

If you’re not running a shell that supports ** but your grep supports –include, you can do a recursive grep and tell grep to only consider files matching certain patterns. Note the quotes around the file name pattern: it’s interpreted by grep, not by the shell.

How to search for files within subdirectories?

Assuming you want to do a recursive search using find in each of the bad directories that are a level below directory called Main Directory: find ‘Main Directory’/*/bad …rest of find options… I’ve left the rest of the find options out because you never say what you want to search for.

How to search for files in a text file?

To list the exact files that you want to search in a text file, use the search criteria in the file stringlist.txt, to search the files listed in filelist.txt, and then to store the results in the file results.out, type: findstr /g:stringlist.txt /f:filelist.txt > results.out

How does The findstr function in Microsoft Docs work?

Ignores the case of the characters when searching for the string. Prints lines that match exactly. Prints only lines that don’t contain a match. Prints the line number of each line that matches. Prints only the file name if a file contains a match. Prints character offset before each matching line.

How does select string detect the encoding format?

Select-String uses the byte-order-mark (BOM) to detect the encoding format of the file. If the file has no BOM, it assumes the encoding is UTF8. This example does a case-sensitive match of the text that was sent down the pipeline to the Select-String cmdlet.