@echo off
setlocal EnableDelayedExpansion

FOR /D %%G IN (fold*) DO (
MKDIR "%cd%%%G/proj"
CALL mover.bat %%G proj
)

@echo off
setlocal EnableDelayedExpansion

FOR /R %cd%%1 %%h IN (*.txt) DO (
MOVE %%h %1/%2
)

#!/bin/bash
shopt -s dotglob
find * -prune -type d | while read d; do
     mkdir "$d"/proj
     mv "$d"/*.txt "$d/proj"
done