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DateTue, 21 Apr 2009 12:07:22 +0200
FromIngo Molnar <>
SubjectRe: [PATCH 3/3] tracing/filters: disallow newline as delimeter

* Li Zefan <lizf@cn.fujitsu.com> wrote:

> Ingo Molnar wrote:
> > * Li Zefan <lizf@cn.fujitsu.com> wrote:
> >
> >> I guess because user input is often ended with '\n' (like "echo
> >> xxx"), thus '\n' is used as a delimeter besides ' ', but we can
> >> just strip tailing spaces.
> >
> > Hm, how about:
> >
> > ( echo 'x'
> > echo '|| y' ) > filter
> >
> > type of scripts? Shouldnt the parser be permissive in general?
> >
>
> This patch doesn't forbid this usage: ;)
>
> ( echo 'parent_comm == a'
> echo '|| parent_comm == b' ) > filter
>
> This patch does forbid this usage:
>
> ( echo 'parent_comm'
> echo '=='
> echo 'a' ) > filter

Same argument though, no?

Ingo


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