Re: User function in pipe


Stachu 'Dozzie' K. napisal(a):
> On 29.12.2005, shima <shima@xxxxx> wrote:
> >
> > Barry Margolin napisal(a):
> >
> >> > echo ${text} | reverse | cut -f2- -d '/' | reverse
> >> Shell functions access their arguments in the same way that scripts do,
> >> with variables named $1, $2, etc.
> >
> > Yes, but using
> > echo ${text} | reverse
> >
> > give me empty string.
> > My function is:
> > reverse()
> > {
> > effect= expression_to_do_sth_with ${1}
> > echo ${effect} //return does not work, of course
> > }
> >
> > What is wrong with my function?
>
> It's simple: Your function doesn't contain body.
> Show the whole function, and then we could tell you something about it.
> Otherwise we can just guess.

AYW:
reversed()
{
rever=`echo ${1} | sed '/\n/!G;s/\(.\)\(.*\n\)/&\2\1/;//D;s/.//'`
echo ${rever}
}

I don't think it will help, but ...
BR
Shima

.

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