@echo off
if "%1" == "" goto noargs
if not exist %1 goto nofile
if "%@ext[%1]" == "LZH" goto lha
if "%@ext[%1]" == "ARC" goto arc
if "%@ext[%1]" == "ARJ" goto arj
goto nomatch
:noargs
text

        No File Name Was Provided

        Syntax: conv <filename.ext>

        ext = LZH/ARJ/ARC
endtext
quit
:nomatch
echo No Matching Archive Conversion Routine
quit
:nofile
echo File %1 Does Not Exist
quit
:arc
echo Using PKXARC and PKZIP
md $$$
pkxarc %@full[%1] $$$\
pkzip -m %@name[%1] $$$\*.*
rd $$$
erase %1
quit
:lha
echo Using LHA and PKZIP
md $$$
Lha e %@full[%1] $$$\
pkzip -m %@name[%1] $$$\*.*
rd $$$
erase %1
quit
:arj
echo Using ARJ and PKZIP
md $$$
arj x %@full[%1] $$$\
pkzip -m %@name[%1] $$$\*.*
rd $$$
erase %1
quit