@ECHO OFF
IF (%1)==() GOTO HOWTO

SET SAMEDIR=%~dp1
cd %SAMEDIR%

SET TEX=%1
SET EXT=%~x1
SET NEX=%~n1
SET DVI=%NEX%.dvi
SET PS=%NEX%.ps


START /wait latex %TEX%	
:: Process Bibtex aux file, no extension as it is
:: added automatically!
START /wait bibtex %NEX%
:: Run again to guarantee cites/refs files.
START /wait latex %TEX%
START /wait latex %TEX%

:: Preview mode detection.
SHIFT
IF "%1" == "prev" GOTO PREV

:: Finish the job and make PDF.
START /wait dvips %DVI%
START /wait ps2pdf %PS%

ECHO Conversion complete!
PAUSE
GOTO END

:PREV
START yap %DVI%
GOTO END

:HOWTO
ECHO How to use:
ECHO 1) Install MiKTeX.
ECHO 2) Check global paths are registered (to test, type "Latex" at the
ECHO command-line).
ECHO 3) Give the path to the file you want converted on the command-line
ECHO or drag/drop it on to this batch file.
ECHO 4) CTRL+C at any stage to abort.
ECHO -/-
ECHO http://plasmid.co.uk
PAUSE

:END