grep search all files for string code example
Example 1: grep in all files
grep -rni "string" *
Example 2: grep search text in folder
grep -rnw '/path/to/somewhere/' -e 'pattern'
Example 3: shell find string in directory
grep -R "string_to_search" *
Example 4: find text in linux file
grep 'word' filename
grep 'word' file1 file2 file3
grep 'string1 string2' filename
cat otherfile | grep 'something'
command | grep 'something'
command option1 | grep 'data'
grep --color 'data' fileName