Chen Jun ???? wrote:
> How can I do it? I know I can add another rule to accomplish that, e.g.
Why do you even need $(shell ...) here? All the commands in the recipe
are implicitly evaluated by the shell, so just do your conditional there:
outfile = out.txt
$(outfile):
@echo -n "STRT: $@ "; if [ -f $@ ]; then echo exist; else echo absent;
fi
@touch $@
@echo -n "DONE: $@ "; if [ -f $@ ]; then echo exist; else echo absent;
fi
Brian
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