text/plain; less;
text/html; w3m -I %{charset} -T text/html; copiousoutput;
image/*; sxiv %s;
video/*; setsid mpv --quiet %s &; copiousoutput
application/pdf; zathura %s ;
application/vnd.ms-powerpoint; asPDF.sh %s ;

#text/html; qutebrowser %s &; test=test -n "$DISPLAY"; needsterminal;
#application/pgp-encrypted; gpg -d '%s'; copiousoutput;