R-alpha: batch -- no problem with make and proper Makefile

[Martin Maechler]

Yes, I use batch too.

In addition, I also use 'make' consistently
My current approach (this is Makefile syntax)
Just
	@-rm -f .RData
	R < input > output	


Actually, I'm a bit smarter and have a Makefile of the form

##--------------------- Makefile for different R batch jobs ----------
##----------------------------- Martin Maechler ----------------------	
R = /usr/local/bin/R
R = /usr/local/bin/R-MM

TESTsrc = str-test.R foobar.R thistest.R  thattest.R
TESTout = $(TESTsrc:.R=.Rout)

%.Rout: %.R
	if [ -f .RData ];   then mv .RData .RData-mm; fi
	if [ -f .Rprofile ];then mv .Rprofile .Rprofile-mm; fi
	touch .Rprofile;
	(echo '##-*- R-transcript -*- --- empty .Rprofile'; $(R) < $< ) > $@
	-@wc $@

all: tests
tests: $(TESTout)

str-test.Rout:: str-src.R

clean: ; mv $(TESTout) out-safe/ ; rm -f $(Shars)
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