Find All Files Containing A Given String

Using Grep to Locate Files Which Contain a Given String

grep -r string directory

An Example

# Create some example files in /tmp
cd /tmp
mkdir grepexample
cd grepexample/
mkdir dir
touch a.txt
touch b.txt
echo '@TODO' > c.txt
echo '@TODO' > dir/e.txt
touch dir/f.txt
echo '@TODO Has some text on this line' > dir/g.txt

# Recurisively search for all the files containing '@TODO'
grep -r @TODO /tmp/grepexample
/tmp/grepexample/c.txt:@TODO
/tmp/grepexample/dir/e.txt:@TODO
/tmp/grepexample/dir/g.txt:@TODO Has some text on this line