Redirect command output to a file named as a prefix suffixed with the current date and time ( prefix_yyyy-mm-dd_hh-mm.txt )

gistfile1.bat

@echo off
echo "                                                                 "
echo "    dtg.bat - Redirect command output to a file named as         "
echo "    a 'prefix' suffixed with the date ^& time group (DTG).        "
echo "                                                                 "
echo "    Usage:    dtg prefix <command [-params]>                     "
echo "    Filename: prefix_yyyy-mm-dd_hh-mm.txt                        "
echo "                                                                 "
for /f "tokens=2-4 delims=/ " %%a in ('date /t') do (set thedate=%%c-%%a-%%b)
for /f "tokens=1-2 delims=/:" %%a in ("%TIME%") do (set thetime=%%a-%%b)
set dtg = %thedate%_%thetime%
rem save first param
set first=%1
rem accumulate 2nd+ params
shift
set params=%1
:loop
shift
if [%1]==[] goto afterloop
set params=%params% %1
goto loop
:afterloop
%params% > %first%_%thedate%_%thetime%.txt