set clean= if "%1%" == "clean" set clean=clean cd getopt nmake /f Makefile.nt %clean% cd ..\libcio nmake /f Makefile.nt %clean% cd ..\libezplot nmake /f Makefile.nt %clean% cd ..\libgraph nmake /f Makefile.nt %clean% cd ..\libir nmake /f Makefile.nt %clean% cd ..\libk nmake /f Makefile.nt %clean% cd ..\libkmath nmake /f Makefile.nt %clean% cd ..\src nmake /f Makefile.nt %clean% cd ..