Re: efficient way to use matched string in variable substitution

[Léa Gris]

Le 23/08/2021 à 21:41, L A Walsh écrivait :
> On 2021/08/23 12:10, Greg Wooledge wrote:
> > On Mon, Aug 23, 2021 at 11:36:52AM -0700, L A Walsh wrote:
> > > Starting with a number N, is there
> > > an easy way to print its digits into an array?

n=988421

# Need extglob for the replacement pattern
shopt -s extglob

# Split string characters into array
IFS=' ' read -r -a array <<<"${n//?()/ }"

# Debug print array
declare -p array

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