Re: Shifting a block of text

[Kerin Millar]

On Wed, 8 Dec 2021 08:37:52 +0100 (CET)
fatiparty--- via <help-bash@gnu.org> wrote:

> 
> Trying to adapt the following function to use all arguments rather than just 
> the first one.
> The code should introduce nc spaces ahead of the start of each argument 
> passed. 
> Each shifted argument must be on  new line.  The first argument ins numeric, 
> defining
> the amount of shift.
> 
> shifted-block ()
> {
>  if (( $# == 1 )); then
>    nc=0 ; arg="$1"
>  elif (( $# >= 2 )); then
>    nc="$1" ; arg="$2"
>  else
>    nc=0 ; arg="$1"
>  fi
> 
>  nw=$(( nc + ${#arg} ))
>  printf "%${nw}s\n" "$arg"
> }

shifted-block() {
        local n=$1 spaces
        shift
        if (( $# )); then
                printf -v spaces "%${n}s"
                printf '%s\n' "${@/#/$spaces}"
        fi
}

-- 
Kerin Millar