29 lines
508 B
Bash
29 lines
508 B
Bash
#!/bin/bash
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set -e
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if [[ "${1}" == "" ]]; then
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echo "Please provide path to an image as your first argument"
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exit 1
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fi
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if [[ "${2}" == "" ]]; then
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echo "Please provide your DPI as your second argument"
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exit 2
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fi
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IMAGE="${1}"
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DPI=${2}
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filename=$(basename -- "${IMAGE}")
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extension="${filename##*.}"
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NEW_IMAGE="${IMAGE/.$extension/.png}"
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if [ -f "${IMAGE}" ]; then
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convert -units PixelsPerInch "${IMAGE}" -density ${DPI} "${NEW_IMAGE}"
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rm "${IMAGE}"
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else
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echo "${IMAGE} does not exist"
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exit 3
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fi |