File r38/lisp/csl/util/package.bat from the latest check-in
rem package.bat --- Recompile just one module of REDUCE rem Author: Arthur C Norman if "x%1"=="x" (set srcdir=../cslbase) else set srcdir=%1 start /wait .\r38 -Dno_init_file -Dtarget=%2 %srcdir%/../util/package.red -D@srcdir=%srcdir% -- log/%1.log