mirror of
https://github.com/kmein/niveum
synced 2026-03-16 10:11:08 +01:00
Kierán Meinhardt
4fc29ff0fe
Packaged 14 scripts from .bin/ into packages/ with proper dependency declarations (writers.writeDashBin/writeBashBin/writePython3Bin): - 256color → two56color (terminal color chart) - avesta.sed → avesta (Avestan transliteration) - bvg.sh → bvg (Berlin transit disruptions) - unicode → charinfo (Unicode character info) - chunk-pdf → chunk-pdf (split PDFs by page count) - csv2json → csv2json (CSV to JSON converter) - fix-sd.sh → fix-sd (exFAT SD card recovery, improved output handling) - json2csv → json2csv (JSON to CSV converter) - mp3player-write → mp3player-write (audio conversion for MP3 players) - mushakkil.sh → mushakkil (Arabic diacritization) - nix-haddock-index → nix-haddock-index (GHC Haddock index generator) - pdf-ocr.sh → pdf-ocr (OCR PDFs via tesseract) - prospekte.sh → prospekte (German supermarket flyer browser) - readme → readme (GitHub README as man page) All added to overlay and packages output. .bin/ directory removed.
30 lines
541 B
Nix
30 lines
541 B
Nix
# OCR a PDF file to text using tesseract
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{
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writers,
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poppler_utils,
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tesseract,
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coreutils,
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}:
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writers.writeDashBin "pdf-ocr" ''
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set -efu
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pdf_path="$(${coreutils}/bin/realpath "$1")"
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[ -f "$pdf_path" ] || {
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echo "Usage: pdf-ocr FILE.pdf" >&2
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exit 1
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}
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tmpdir="$(${coreutils}/bin/mktemp -d)"
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trap 'rm -rf $tmpdir' EXIT
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cd "$tmpdir"
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${poppler_utils}/bin/pdftoppm -png "$pdf_path" pdf-ocr
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for png in pdf-ocr*.png; do
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${tesseract}/bin/tesseract "$png" "$png.txt" 2>/dev/null
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done
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cat pdf-ocr-*.txt
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''
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