Quote:
for i in $(SUBDIRS) ; do \
( cd $$i; make) ;\
done
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That interperets (sic) all the code in between the "do" and "done", each time assigning the value of the next item in $SUBDIRS to $i.
Quote:
rm -f *~
would like to ask what is the meaning of *~?
why don't just use "rm -f *" instead?
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That above deletes everything ending in a ~ in the current directory - Usually back up files.
rm -f * deletes everything in the current directory.
Quote:
3. I woluld like to ask:
ar -cr $(LIBCOMMON) $(OBJ)
ranlib $(LIBCOMMON)
...
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Read the man pages for ar and ranlib.