#!/bin/bash
# Iterate action over elements from VSVS input,
# action is passed as $1, it will be evaluated for each key-value pair.
after () { test -z "${2##*$1*}" && echo -n "${2#*$1}"; }
key=""
value=""
while IFS="" read line
do
    if test -z "${line%% *}"
    then value="${value}"$'\n'"$(after " " "$line")"
    else
        eval $1
        key="${line%% *}"
        value="$(after " " "$line")"
    fi
done
eval $1