(info "(coreutils) uniq invocation") says An exit status of zero indicates success, and a nonzero value indicates failure.
The user wonders: "Failure to make a file unique because it was already unique?" Be more explicit.
(info "(coreutils) uniq invocation") says An exit status of zero indicates success, and a nonzero value indicates failure.
The user wonders: "Failure to make a file unique because it was already unique?" Be more explicit.