pdftotext

README

pdftotext-go

Extract texts with their corresponding page numbers from PDF files. Wraps the command line tool pdftotext (poppler-utils).

Usage

1. poppler-utils (version >=22.05.0) must be installed and available in the path.
2. go get "github.com/heussd/pdftotext-go"
3. See tests for code examples.

Why poppler version >=22.05.0

Version 22.05.0 of poppler introduced a new parameter -tsv, which extracts PDF content with meta data as TSV. This functionality is essential for the operation of this library.

Documentation

Index

• func CheckPopplerVersion() (fullVersionString string, err error)
• type PdfPage
  • func Extract(pdfBytes []byte) (pdfPages []PdfPage, err error)
  • func ExtractOrError(pdfBytes []byte) (pages []PdfPage, err error)
• type PopplerTsvRow
  • func ExtractInPopplerTsv(pdfBytes []byte) (tsvRows []PopplerTsvRow, err error)

Functions

func CheckPopplerVersion

func CheckPopplerVersion() (fullVersionString string, err error)

Types

type PdfPage

type PdfPage struct {
	Content string
	// PDF page number (1-based)
	Number int
}

func Extract

func Extract(pdfBytes []byte) (pdfPages []PdfPage, err error)

Extract PDF text content in simplified format

func ExtractOrError

func ExtractOrError(pdfBytes []byte) (pages []PdfPage, err error)

ExtractOrError Just like Extract, but indicates issues with errors

type PopplerTsvRow

type PopplerTsvRow struct {
	Level    int     `col:"0"`
	PageNum  int     `col:"1"`
	ParNum   int     `col:"2"`
	BlockNum int     `col:"3"`
	LineNum  int     `col:"4"`
	WordNum  int     `col:"5"`
	Left     float64 `col:"6"`
	Top      float64 `col:"7"`
	Width    float64 `col:"8"`
	Height   float64 `col:"9"`
	Conf     int     `col:"10"`
	Text     string  `col:"11"`
}

func ExtractInPopplerTsv

func ExtractInPopplerTsv(pdfBytes []byte) (tsvRows []PopplerTsvRow, err error)

ExtractInPopplerTsv Access raw stdout content from Poppler