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I'm trying to grep multiple extensions within the current and all sub-folders.
grep -i -r -n 'hello' somepath/*.{php,html}
This is only grepping the current folder but not sub-folders.
What would be a good way of doing this?
531
To include all subdirectories in a search, add the -r operator to the grep command. This command prints the matches for all files in the current directory, subdirectories, and the exact path with the filename. In the example below, we also added the -w operator to show whole words, but the output form is the same.
Only Including Certain Files in grep Searches By default, grep will search all files in a given folder and its subfolders if you invoke it with the recursive -r flag. This will pick up everything, but if you only want certain extensions, the option you'll want to use is --include.
For searching files, the command syntax you use is grep [options] [pattern] [file] , where “pattern” is what you want to search for. For example, to search for the word “error” in the log file, you would enter grep 'error' junglediskserver. log , and all lines that contain”error” will output to the screen.
Using only grep:
grep -irn --include='*.php' --include='*.html' 'hello' somepath/
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