ppmtv
Make a PPM Image look like taken from an American TV. Dim every other row of image data down by the specified dim factor (a number between 0 and 1). More information: <https://netpbm.sourceforge.net/doc/ppmtv.html>.
RUN apt-get update && \
apt-get install -y netpbm
RUN apt-get update && \
apt-get install -y netpbm
RUN pacman -S --noconfirm netpbm
RUN apt-get update && \
apt-get install -y netpbm
RUN yum install -y netpbm-progs
RUN dnf install -y netpbm-progs
RUN apt-get update && \
apt-get install -y netpbm