我使用pdftk解压缩PDF,然后将其作为文本文件打开. 我想编辑/MediaBox 字段,在我的情况下
I used pdftk to uncompress a PDF and then opened it as a text file. I want to edit the /MediaBox field, which is in my case
/MediaBox [0 0 612 792]例如,我想减少页边距
/MediaBox [100 0 512 792]不幸的是,它不起作用.我可以将0更改为2或9,但是不能放置100.
Unfortunately it doesn't work. I can change the 0 into a 2 or a 9 but I cannot put 100 for instance.
知道为什么吗?
推荐答案使用 sed 替换 任何 出现
use sed to replace any occurrence
sed 's/MediaBox \[0 0 612 792*/MediaBox \[100 0 512 792]/g'<in.pdf >out.pdf
或 podofobox (在 podofo实用程序内部)
- podofo.sourceforge/tools.html
无需先解压缩 pdf流(根据pdftk的需要)
without needing to uncompress pdf streams first (as needed with pdftk)
podofobox in.pdf out.pdf media 10000 0 51200 79200
如您所见,podofobox使用MediaBox值乘以100,因为它的标度是一个约数,因此,您只需在您可以在MediaBox中读取的值上添加两个零( 00 )字段
as you can see, podofobox uses MediaBox values multiplied by 100, since its scale is a sub multiple, so, you need simply to add two zeroes (00) to values you can read in MediaBox field
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