Finding a text string in Linux
Posted by Cătălin on Tue, 15 Jul 2014
Finding a text string in Linux
In this example, search for a string called "jquery-1.6.2" in all text (*.js) files located in "/home/user/public_html/" directory, use:
$ grep "jquery-1.6.2" /home/user/public_html/*.jsOR
$ grep "jquery-1.6.2" ~/*.js
Search all subdirectories recursively
You can search for a text string all files under each directory, recursively with -R option:
$ grep -R "jquery-1.6.2" /home/user/public_html/
Only display filenames
By default, the grep command prints the matching lines. You can pass -H option to print the filename for each match:
$ grep -H -R "jquery-1.6.2" /home/user/public_html
Finding text within files
root@server:~# rgrep 'ns.domain.com.' /var/lib/bind/*.hostsor
root@server:~# grep -r 'ns.domain.com.' /var/lib/bind/*.hostsweb
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