
How to use "grep" command to find text including subdirectories
Aug 1, 2011 · I want to find all files which contain a specific string of text. The grep command works, but I don't know how to use it for every directory (I can only do it for my current …
linux - What is the point of "grep -q" - Stack Overflow
May 16, 2019 · Moreover, this is a lot faster than a regular grep invocation, since it can exit immediately when the first match is found, rather than needing to unconditionally read (and …
Using the star sign in grep - Stack Overflow
Jul 6, 2016 · I am trying to search for the substring "abc" in a specific file in linux/bash So I do: grep '*abc*' myFile It returns nothing. But if I do: grep 'abc' myFile It returns matches correctly. …
What's the difference between grep -r and -R - Stack Overflow
Mar 31, 2014 · In the man page: -r Read all files under each directory, recursively, following symbolic links only if they are on the command line. what exactly does "being on the command …
How can I use grep to find a word inside a folder?
Nov 8, 2010 · 165 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 …
Find all files containing a specific text (string) on Linux
Jun 6, 2013 · How do I find all files containing a specific string of text within their file contents? The following doesn't work. It seems to display every single file in the system. find / -type f …
Regex (grep) for multi-line search needed - Stack Overflow
Sep 15, 2010 · I'm running a grep to find any *.sql file that has the word select followed by the word customerName followed by the word from. This select statement can span many lines …
How can I "grep" for a filename instead of the contents of a file?
grep is used to search within a file to see if any line matches a given regular expression. However, I have this situation - I want to write a regular expression that will match the filename itself …
How do I fetch lines before/after the grep result in bash?
Sep 16, 2012 · The second grep command. "grep -oP", finds the matching string and prints everything after it until it reaches the end of the current line, while excluding the matching string.
search - grep for special characters in Unix - Stack Overflow
Sep 12, 2012 · Try vi with the -b option, this will show special end of line characters (I typically use it to see windows line endings in a txt file on a unix OS) But if you want a scripted solution …