tags 33622 notabug
close 33622
stop

Hello,

On 2018-12-05 5:49 a.m., Kamil Dudka wrote:
On Wednesday, December 5, 2018 11:51:09 AM CET Ricky Tigg wrote:
OS: *Fedora*. Component: coreutils.x86_64 8.30-6.fc29 @System

Tail prints the first row in 'tail -n <N>'

Command executed:
$ dnf repoquery --requires bash --recursive --resolve | grep -E
'.x86_64$|.noarch$' | tail -n 1
Last metadata expiration check: 0:28:25 ago on Wed Dec  5 11:09:16 2018.
tzdata-0:2018g-1.fc29.noarch

Expected result: command to only print N rows, which means without printing
the first row.

The line "Last metadata expiration check: [...]" is not printed by tail
at all.  It is printed by dnf to standard _error_ output.  You will see
it even if you redirect dnf's standard output to /dev/null:

$ dnf repoquery --requires bash --recursive --resolve >/dev/null
Last metadata expiration check: [...]

You can use `dnf --quiet ...` to suppress the message.

Thank you Kamil for explaining the issue.

I'm closing this as "notabug".

-assaf






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