#!/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[^.]+}'
IyEvYmluL2Jhc2gKZWNobyAiICAgIElOPS4uL2ZpbGVzL2QKICAgIG91dD0uLi9maWxlcy9kLnR4dAogICAgZGF0YWxvYWQKICAgIG5hbWUiIHwgZ3JlcCAtb1AgJy9maWxlcy9cS1teLl0rJwogICAgCmVjaG8KICAgIAplY2hvICIgICAgSU49Li4vZmlsZXMvZAogICAgb3V0PS4uL2ZpbGVzL2QudHh0CiAgICBkYXRhbG9hZAogICAgbmFtZSIgfCBwZXJsIC1ubGUgJ3ByaW50ICQmIGlmIG17L2ZpbGVzL1xLW14uXSt9Jw==