37 lines
870 B
Plaintext
37 lines
870 B
Plaintext
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#!/usr/bin/env bash
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# Compress pdf files using ghostscript.
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#
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# Defaults to 72 dpi.
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#
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# Usage:
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# pdfoptim SRC [TARGET] [DPI]
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#
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# Requires: ghostscript (gs)
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optimize() {
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# Adapted from Alfred Klomp's shrinkpdf script
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# <http://alfredklomp.com/programming/shrinkpdf/>
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gs -q -dNOPAUSE -dBATCH -dSAFER \
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-sDEVICE=pdfwrite \
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-dPDFSETTINGS=/screen \
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-dCompatibilityLevel=1.3 \
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-dEmbedAllFonts=true \
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-dSubsetFonts=true \
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-dAutoRotatePages=/None \
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-dMonoImageResolution=$3 \
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-dMonoImageDownsampleType=/Bicubic \
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-dGrayImageResolution=$3 \
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-dGrayImageDownsampleType=/Bicubic \
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-dColorImageResolution=$3 \
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-dColorImageDownsampleType=/Bicubic \
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-sOutputFile="$2" \
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"$1"
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}
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SRC="$1"
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DEST="${2:--}"
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DPI="${3:-72}"
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optimize "$SRC" "$DEST" "$DPI" || exit $?
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