Here is scanned result of command:
echo -e 'Hello\nlp -d litfass-duplex -o page-border=single -o Duplex=DuplexNoTumble -o media=A4.Duplex\fWorld' | lp -d litfass-duplex -o page-border=single -o Duplex=DuplexNoTumble -o media=A4.Duplex
Here is scanned result of command:
echo -e 'Hello\nlp -d litfass-duplex -o page-border=single -o DuplexNoTumble -o media=A4. Duplex\ fWorld' | lp -d DuplexNoTumble
Duplex=
litfass-duplex -o page-border=single -o Duplex=
-o media=A4.Duplex