no need, use :.center instead

scripts/center

@@ -1,25 +0,0 @@
-#!/usr/bin/env bash
-
-# Produces a centered text based on HRULEWIDTH environment variable.
-
-: "${HRULEWIDTH:=73}"
-
-_filter() {
-	[[ -n "$1" ]] && return 1
-	while IFS= read -ra args; do
-		"${FUNCNAME[1]}" "${args[@]}"
-	done
-}
-
-center() {
-	_filter "$@" && return $?
-	local str="$1" char="${2:- }"
-	local -i len=${#str}
-	local -i side=$((((HRULEWIDTH / 2) - len / 2) - 3))
-	local -i left=$side
-	local -i right=$side
-	((len % 2 == 1)) && ((right -= 1))
-	echo "$pre $(echon "$char" "$left") "$str" $(echon "$char" "$right")"
-}
-
-center "$@"