weird characters in top(1) output

[Sergey Kandaurov]

On 1 February 2011 15:24, Alexander Best <arundel at freebsd.org> wrote:
> hi there,
>
> i was doing the following:
>
> top inf > ~/output
>
> when i noticed that this was missing the overall statistics line. so i went
> ahead and did:
>
> top -d2 inf > ~/output
>
> funny thing is that for the second output some weird characters seem to get
> spammed into the overall statistics line:
>
> last pid: 14320;  load averages:  0.42,  0.44,  0.37  up 1+14:02:02    13:21:05
> 249 processes: 1 running, 248 sleeping
> CPU: ^[[3;6H 7.8% user,  0.0% nice, 10.6% system,  0.6% interrupt, 81.0% idle
> Mem: 1271M Active, 205M Inact, 402M Wired, 67M Cache, 212M Buf, 18M Free
> Swap: 18G Total, 782M Used, 17G Free, 4% Inuse
>
> this only seems to happen when i redirect the top(1) output to a file. if i do:
>
> top -d2 inf
>
> ...everything works fine. i verified the issue under zsh(1) and sh(1).

My quick check shows that this is a regression between 7.2 and 7.3.
Reverting r196382 fixes this bug for me.

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