I'm trying to execute double search within files and return file names. I'm using find ./ -iname '*txt' | xargs grep "searchtext" -sl to find file names with 'searchtext' in them. Command is returning a list of files. How can I find "othersearchtext" in those already found files and show them in the same fashion? #### EDITED Answer: grep -l "othersearchtext" $(find ./ -iname '*txt' | xargs grep "searchtext" -sl)