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Re: Unset array doesn't work


From: Clark Wang
Subject: Re: Unset array doesn't work
Date: Tue, 27 Feb 2018 10:18:24 +0800

On Mon, Feb 26, 2018 at 11:07 PM, Greg Wooledge <wooledg@eeg.ccf.org> wrote:

> On Mon, Feb 26, 2018 at 09:57:10AM -0500, Clint Hepner wrote:
> > If necessary, you can define a global (at the expense of a single
> subprocess)
> >
> >     myIFS=$(printf ' \t\n')
>
> That actually won't work, because $(...) strips the trailing newline(s).
> This might work:
>
> myIFS=$(printf ' \t\nx') myIFS=${myIFS%x}
>

What about myIFS=$(printf ' \n\t')? Does the order of chars in IFS make a
difference?


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