#!/usr/bin/env bash
# YES_ZSH

sv() {
    awk "-F${1:- }" '
    NF>1{f[$1]=substr($0,length($1)+1+length(FS))}END{for(k in f)print k FS f[k]}
    '
}

[ "${SOURCING:-0}" -gt 0 ] || sv "$@"