Question about 'ps' and pipe
walter harms
WHarms at bfs.de
Thu Feb 7 10:59:29 UTC 2008
martin.goodrich at ntlworld.com wrote:
> Hi,
>
> I am using busybox-1.9.0 and have encountered some issues that I would be grateful for someone to cast some light on.
>
> The ps command seems to have changed and doesn't seem to support the '-ef' option anymore. I know that at one stage it did because the previous version that my device ran with was happy with those options. Unfortunately I don't know the version of busybox that originally came with the CD for my device.
>
> The second issue is that the pipe '|' seems to discard data sent to its stdin, so for example if I type:
>
> ps | more
>
> I just return to the bash shell with nothing being sent to more's stdin.
>
> I am still a relative newbie to busybox and would teally appreciate if somebody could fill in some of the detail for me.
>
> Best regards,
> Martin.
>
hi martin.
bb offers a lot of option to configure but most commands still say what options they support eg.
ps --help
BusyBox v1.9.0 (2008-02-05 19:33:29 CET) multi-call binary
Usage: ps
Report process status
Options:
w Wide output
So this version of ps supports ONLY "w" as option.
i have tried also ps w | more (and less if that matters) and it works fine for me.
re,
wh
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