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- #!/bin/bash -eu
- # uses graphics magick to extract images from a pdf as png
- if ! which gm &>/dev/null; then
- echo "requires gm convert..." && exit 1
- elif [ -z "${1:-}" ] || [ ! -f "$1" ]; then
- echo "No file supplied..." && exit 1
- fi
- base=$(basename "$1")
- out=${base%.*}
- if [ -n "${2:-}" ] && [[ ! -f "$2" || -d "$2" ]]; then
- out="$2"
- fi
- mkdir -p "$out"
- gm convert -density 300 "$1" +adjoin ${out}/%d.png
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