input : shell commands filtering : check if there is only numbers sink : run ls in a dir

input : shell commands filtering : check if there is only numbers sink : run ls in a dir

input : shell commands filtering : check if there is only numbers sink : run ls in a dir

input : shell commands filtering : check if there is only numbers sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir

Command line args no filtering sink : run ls in a dir