Paolone is this ok, i see extractsingle, compare it
# OK Archivers configuration
CmdName ,LHA,
ExtractSingle ,#, lha "-x w=%%dest" %arch %file,
ExtractAll ,stack 64000;C:lha "-xw=%%dest" %arch,
ListContent ,stack 64000;C:lha -v %arch,
ContentHeader ,2,
ContentFooter ,2,
ContentFmt ,OTHE OT10 CSIZ SIZE OTHE OTHE OTHE DATE DATE DATE NAME,
Add ,stack 64000;cd %base;C:lha -a %arch %file,
Remove ,#, C:lha -d %arch %file,
Create ,C:touch %arch,