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- #!/bin/sh
- # Give this script a .pdf and it will attempt
- # to return a proper .bib citation via doi.
- # Internet connection required.
- if [ -f "$1" ];
- then
- # Get the doi from metadata, if not possible, get
- # doi from pdftotext output, if not possible, exit.
- doi=$(pdfinfo "$1" | grep -io "doi:.*") ||
- doi=$(pdftotext "$1" 2>/dev/null - | grep -o "doi:.*" -m 1) ||
- exit 1
- else
- # If not given file, assume argument is doi
- doi="$1"
- fi
- # Check crossref.org for the bib citation.
- curl -s "http://api.crossref.org/works/$doi/transform/application/x-bibtex" -w "\\n"
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