tail: -v option isn't working correctly

[karlmcdowall]

The following differs between GNU and Rust...

$ echo foo > f
$ tail -v < f

GNU output...

==> standard input <==
foo

Rust output...

foo

I did a bit of sleuthing on this... The test case for this was disabled back in 2022 here.

I'm going to fix.

[karlmcdowall]

The test_stdin_redirect_file test case that was disabled back in 2022 tests a few things. There are actually two failures within that testcase now if we try to re-enable it.

• The first issue is the original issue discussed in this thread - i.e. tail -v < f doesn't work correctly.
• The second issue is a difference between tail -f < f for GNU and Rust. With GNU, tail -f <f keeps waiting on the stdin. With Rust the tail -f <f just prints the stdin contents and exits.

I created a new issue for the tail -f problem here since I don't think it's related to the -v problem (even though they share a test case).

[cakebaker]

Closing issue, fixed with #7792