Convert PDF documents to DOCX on MacOS

pdf2docx.sh

#!/usr/bin/env bash
set -euo pipefail

readonly LIBRE_OFFICE_EXEC=/Applications/LibreOffice.app/Contents/MacOS/soffice

function main {
    if test "$(uname)" != 'Darwin'; then
        echo "[X] This script is compatible only with MacOS"
        exit 1
    fi

    if ! test -f "${LIBRE_OFFICE_EXEC}"; then
        echo "[X] LibreOffice installation is required for this script to work"
        echo "[X] See: https://www.libreoffice.org/get-help/install-howto/macos/"
        exit 1
    fi

    for fname in *.pdf; do
        local outf
        outf="$(echo "${fname}" | rev | cut -f2- -d '.' | rev).docx"

        echo "[i] Converting a PDF file: ${fname}"
        if ! "${LIBRE_OFFICE_EXEC}" \
            --invisible \
            --infilter='writer_pdf_import' \
            --convert-to docx:'MS Word 2007 XML' \
            "${fname}" > /dev/null;
        then
            echo '---(!!!) Conversion failed'
            exit 1
        fi

        if ! test -f "${outf}"; then
            echo '---(!!!) Something is royally fucked'
            exit 1
        fi

        echo "---(i) Output file name: ${outf}"
    done
}

main "$@"

Things to note:

1. Resulting documents are usually quite broken but this is better than nothing
2. A couple of trivial fixes should make this script compatible with Linux