1d9591f5ed
* Created grep page Created a new file/folder for the bash grep command adding brief explanation, examples, and further information. * fix: spelling
766 B
766 B
title
| title |
|---|
| Bash Grep |
Bash command: grep
grep stands for Global Regular Expression Print. It is used to search piped input or files for a string which can contain regex.
Usage
grep <some string> <file name>
Commonly used options:
-i- Ignores the case when performing the search.-v- Inverts the search and only selects lines that do not match the search string.
Examples
Search for IP 127.0.0.1 in the /etc/hosts file
grep "127.0.0.1" /etc/hosts
Search for oom (out of memory) in /var/log/messages
grep -i oom /var/log/messages
More Information
- run
man grepfor a full list of available flags/options to use. - Wikipedia