bash 如何使用 PDFTK（或其他命令行应用程序）查找和替换现有 PDF 文件中的文本
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How to find and replace text in a existing PDF file with PDFTK (or other command line application)
提问by Roger
I have on each page of my PDF document a line with this string:
我在 PDF 文档的每一页上都有一行包含以下字符串：
%REPLACE%
%REPLACE%
Which I'd like to find and replace with another string.
我想找到并替换为另一个字符串。
Does anyone know how to do this with some command line application such as PDFTK?
有谁知道如何使用某些命令行应用程序（例如 PDFTK）执行此操作？
This folkgave me an important clue however I'd like something more direct.
这种民间给了我，但是我想一些更直接的一个重要线索。
Thanks.
谢谢。
回答by Dingo
You can try to modify content of your PDF as follows
您可以尝试按如下方式修改 PDF 的内容
Uncompress the text streams of PDF
pdftk file.pdf output uncompressed.pdf uncompressUse sedto replace your text with another
sed -e "s/ORIGINALSTRING/NEWSTRING/g" <uncompressed.pdf >modified.pdfIf this attempt was successful, re-compress the PDF with pdftk
pdftk modified.pdf output recompressed.pdf compress
解压缩 PDF 的文本流
pdftk file.pdf output uncompressed.pdf uncompress使用sed将您的文本替换为另一个
sed -e "s/ORIGINALSTRING/NEWSTRING/g" <uncompressed.pdf >modified.pdf如果此尝试成功，请使用pdftk重新压缩 PDF
pdftk modified.pdf output recompressed.pdf compress
Note:This way is not successful every time, mainly due to font subsetting
注意：这种方式不是每次都成功，主要是字体子集
