Created
December 16, 2020 19:24
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Convert a colored pdf to monchrome
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| pdf2ps ~/Documents/orchardcore.pdf ~/output-file.ps | |
| gs \ | |
| -o ~/output.pdf \ | |
| -sDEVICE=pdfwrite \ | |
| -c "/setrgbcolor{0 mul 3 1 roll 0 mul 3 1 roll 0 mul 3 1 roll 0 mul add add setgray}def" \ | |
| -f ~/output-file.ps |
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