Shell Programming and Scripting

for file in /file_path/*
do
if [[ $(grep -f search_patterns $file) ]]
then
echo $file
fi
done

"123"
"456"
"789"

# search_patterns is file which contains your all patterns.
# /file_path/ - Give your directory path from which you want to search.
for file in /file_path/*
do
grep -f search_patterns $file
done

find . -type f -exec grep -f aa.txt {} \;

find . -type f - exec fgrep aa.txt {} \;

for file in /file_path/*
do
  grep -f search_patterns $file
done