Re: [Help-bash] How to set IFS temporarily? (along with assignment and array initiation)

[Geir Hauge]

On Mon, Mar 16, 2015 at 02:45:30PM -0400, Chet Ramey wrote:
> On 3/16/15 12:57 PM, Greg Wooledge wrote:
> > On Mon, Mar 16, 2015 at 11:49:46AM -0500, Peng Yu wrote:
> >> I'm trying to understand readarray. It can only separate elements by
> >> newline. What about separating the elements by $'\0'? Is there an
> >> option for this case (I don't find it in the man page)?
> > 
> > Unfortunately, no.  That's one of my top wishlist features.  If you
> > want to read elements delimited by anything other than \n you have to
> > use a loop.
> 
> Look at the devel branch.  mapfile/readarray acquired a `-d delim' option
> in early July, 2015.

That's great! Might I suggest also changing the -t option to: 
    Remove a trailing delimiter from each line read.

So that the following two commands give the same result:

mapfile -t array < <(printf 'a\nb\n')
mapfile -t -d X array < <(printf 'aXbX')

-- 
Geir Hauge