retex.bat

@echo off
setlocal enabledelayedexpansion

set source=xp_texnum.vmf
set result=xp_texnum_mod.vmf

set /a idx=0
cd /d "..\Half-Life 2\hl2\materials"
for /d %%d in (Brick Building_Template Concrete Metal Nature Plaster Stone Tile Wood) do (
    cd %%d
    for %%v in (*_normal.vtf) do call :getname %%d/%%v
    cd ..
)

set /a idx=0
set tex=dummy
cd /d "%~dp0"
for /f "tokens=1-2*" %%a in (%source%) do (
    if %%a=="material" (
        if not %%b=="TOOLS/TOOLSSKYBOX" (
            if not %%b=="TOOLS/TOOLSCLIP" (
                call :select
                echo %%a !tex! %%c>>%result%
            ) else echo %%a %%b %%c>>%result%
        ) else echo %%a %%b %%c>>%result%
    ) else echo %%a %%b %%c>>%result%
)

endlocal
pause
goto :eof

:getname
set /a idx=%idx%+1
set vtf=%1
set tex%idx%="%vtf:~0,-11%"
goto :eof

:select
set /a idx=%idx%+1
set tex=!tex%idx%!
goto :eof