UNIX for Dummies Questions & Answers

#!/bin/bash

Y=1200  # Position on paper
X=1200

H=150   # Height in pixels
W=19    # Width in pixels / 8

printf "\x1b*t300R"             # Set 300DPI
printf "\x1b*b0M"               # Set graphics mode 0, raw bytes
printf "\x1b*p${Y}Y"            # Move cursor Y
printf "\x1b*p${X}X"            # Move cursor X
printf "\x1b*r1A"               # Start raster graphic at cursor

for ((M=0; M<H; M++))
do
        printf "\x1b*b${W}W"    # Tell it this line is W bytes of pixel data.

        # Actual data bytes.  Each bit is one column.  \xff is 11111111
        for ((N=0; N<W; N++)) ; do printf "\xff" ; done
done

# End graphics and reset (i.e. restore cursor, etc)
printf "\x1b*rC"