If you want to search in docx or PDF files using Scripal, external utilities are needed:
install from https://pandoc.org/installing.html
on Linux type systems, the package is often found in the standard repository
Ubuntu: https://launchpad.net/ubuntu/plucky/+package/pandoc
Debian: https://packages.debian.org/bookworm/pandoc
Fedora: https://packages.fedoraproject.org/pkgs/pandoc/pandoc/
Windows: https://github.com/jgm/pandoc/releases/tag/3.5
under Windows: specify path to binary pandoc in config.frmReader or put binary in same folder as scripal
install from https://www.xpdfreader.com/pdftotext-man.html
on Linux type systems, the package is often found in the standard repository
Ubuntu: https://launchpad.net/ubuntu/plucky/+package/poppler-utils
Debian: https://packages.debian.org/bookworm/poppler-utils
Fedora: https://packages.fedoraproject.org/pkgs/poppler/poppler-utils/
Windows: http://www.xpdfreader.com/download.html
under Windows: specify path to binary pdftotext in config.pdfReader or put binary in same folder as scripal