Você pode abri-lo com a ajuda do libre-office-writer, seguindo o comando (abrir com o libre office writer):
lowriter "<path/to/file>"
De man libreoffice
:
Name libreoffice - LibreOffice office suite SYNOPSIS libreoffice [--accept=accept-string] [--base] [--calc] [--convert-to output_file_extension[:output_filter_name] [--outdir output_dir] file]... [--display display] [--draw] [--global] [--headless] [--help|-h|-?] [--impress] [--invisible] [--infilter=""] [--math] [--minimized] [-n file]... [--nodefault] [--nolockcheck] [--nologo] [--norestore] [-o file]... [-p file...] [--print-to-file [--printer-name printer_name] [--outdir output_dir] file]... [--pt printername file...] [--show Impress file]... [--unaccept=accept-string] [--terminate_after_init] [--view file]... [--web] [--writer] [file...] lobase localc lodraw lofromtemplate loimpress lomath loweb lowriter DESCRIPTION LibreOffice (LO for short) is a multi-platform office productivity suite.