Matt Malone
06/06/2019, 8:52 PMscratch/test$ ls | grep test
test_directory
test_file1.txt
test_file2.txt
scratch/test$ ls | grep "test.*txt"
usage: grep [-abcDEFGHhIiJLlmnOoqRSsUVvwxZ] [-A num] [-B num] [-C[num]]
[-e pattern] [-f file] [--binary-files=value] [--color=when]
[--context[=num]] [--directories=action] [--label] [--line-buffered]
[--null] [pattern] [file ...]