grep
Also written: grep -E, grep -q
A command that keeps only the lines containing some text. `-E "A|B"` matches A or B, and `-q` prints nothing and just succeeds or fails, which test.sh relies on.
Also written: grep -E, grep -q
A command that keeps only the lines containing some text. `-E "A|B"` matches A or B, and `-q` prints nothing and just succeeds or fails, which test.sh relies on.