[Techtalk] Re: Loop/wildcard-like syntax for GNU make?

[Michelle Konzack]

Am 2007-04-18 09:28:51, schrieb Conor Daly:
> This works for a straight cp and should work with convert also:
> 
> all:
> 	for FILE in *.png; do \
> 		cp -f $$FILE $$(basename "$$FILE" png)jpg; \
> 	done;

Please read the manual to gnu make why you should avoid shell loops.

Why not:
-----------------------------------------------
GIFS := $(wildcard *.gif)

all: $(GIFS)

$(GIFS):
	convert $@ $(patsubst %.gif,%,$@).jpg

.PHONY: all $(GIFS)
-----------------------------------------------

Greetings
    Michelle Konzack
    Systemadministrator
    Tamay Dogan Network
    Debian GNU/Linux Consultant


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