# make

make is the quintessential project building utility, now mostly buried inside fancy GUIs or replaced by trendier (and bloated) stuff such as ant. Since I use it so little that I tend to forget the basics, here are a couple of snippets:

#### Batch Conversion of Files in Two Steps:

# this assumes you have PNG files in the current directory
JPGS = $(shell ls *.png | sed 's/$$.*\.$$png/\1jpg/' | xargs echo) %.jpeg: %.png /sw/bin/mogrify -format jpeg -resize 720x180! -quality 92 -sharpen 1$<

%.jpg: %.jpeg
mv $< echo$< | sed 's/$$.*\.$$jpeg/\1jpg/'

all: \$(JPGS)