#!/bin/bash
echo "    IN=../files/d
    out=../files/d.txt
    dataload
    name" | grep -oP '/files/\K[^.]+'
    
echo
    
echo "    IN=../files/d
    out=../files/d.txt
    dataload
    name" | perl -nle 'print $& if m{/files/\K[^.]+}'