Resizing images from one folder to another with ImageMagick and GNU Make
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| source_files := $(wildcard src/*.jpg) | |
| resized_files := $(source_files:src/%.jpg=resized/%.jpg) | |
| all: $(resized_files) | |
| resized/%.jpg: src/%.jpg | |
| convert $< -resize 1920x1080 $@ |
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Run with
make -j2to resize 2 at a time,make -j4to resize 4 at a time etc.