How do I recursively grep all directories and subdirectories?
ଫେବୃଆରୀ 16, 2016 · If you find yourself frequently using grep to do recursive searches (especially if you manually do a lot of file/directory exlusions), you may find ack (a very programmer …
linux - What is the point of "grep -q" - Stack Overflow
ମଇ 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 …
What is the difference between grep -e and grep -E option?
grep -e PATTERN unless, as stated in an earlier Answer and in the man pages, there are multiple search patterns, or to protect a pattern beginning with a hyphen (-).
What's the difference between grep -r and -R - Stack Overflow
ମାର୍ଚ୍ଚ 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 …
Using the star sign in grep - Stack Overflow
ଜୁଲାଇ 6, 2016 · grep itself doesn't support wildcards on most platforms. You have to use egrep to use wildcards. Shells have a different syntax. "*" in the shell is <any string>. In egrep it's an …
How to run grep with multiple AND patterns? - Unix & Linux Stack …
ମାର୍ଚ୍ଚ 25, 2016 · I would like to get the multi pattern match with implicit AND between patterns, i.e. equivalent to running several greps in a sequence: grep pattern1 | grep pattern2 | …
grep with logic operators - Unix & Linux Stack Exchange
ଜାନୁଆରୀ 5, 2015 · Is there a grep-like utility that will enable me to do grep searches with logic operators. I want to be able to nest and combine the logical constructs freely. For example, …
How can I use grep to find a word inside a folder?
ନଭେମ୍ବର 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 …
bash - How to grep, excluding some patterns? - Stack Overflow
I'd like find lines in files with an occurrence of some pattern and an absence of some other pattern. For example, I need find all files/lines including loom except ones with gloom. So, I can …
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 (and …
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