Created
December 4, 2023 04:56
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| #!/bin/bash | |
| #前提： cpdfをhttps://github.com/coherentgraphics/cpdf-binariesから取得してインストールしておく | |
| if [ $# -ne 1 ];then | |
| echo "Usage: $0 <pdf filename>"; | |
| exit 1 | |
| fi | |
| w=$(cpdf -page-info $1 | grep MediaBox | awk -F' ' '{print $4}' | uniq) | |
| h=$(cpdf -page-info $1 | grep MediaBox | awk -F' ' '{print $5}' | uniq) | |
| w2=$(bc <<< "scale=4; $w/2") | |
| cpdf -mediabox "0 0 $w2 $h" $1 -o left.pdf | |
| cpdf -mediabox "$w2 0 $w2 $h" $1 -o right.pdf | |
| cpdf -collate left.pdf right.pdf -o _$1 |
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