Pdfgrep: is a tool to search text in PDF files

[duncan]

• pdfgrep is a tool to search text in PDF files, pdfgrep supports POSIX as well as perl compatible regular expressions (PCRE). Gitlab repo

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• Apache PDFBox comes with a series of command-line utilities.
  Some usage examples:

  $ java -jar pdfbox-app-2.y.z.jar PDFMerger     <Source PDF files (2 ..n)> <Target PDF file>
  $ java -jar pdfbox-app-2.y.z.jar PDFSplit      [OPTIONS] <PDF file>
  $ java -jar pdfbox-app-2.y.z.jar ExtractImages [OPTIONS] <inputfile>
  $ java -jar pdfbox-app-2.y.z.jar ExtractText   [OPTIONS] <inputfile> [Text file]