Hermann-SW

#!/bin/bash
# shellcheck disable=SC2154
# (silence shellcheck wrt $cam1 environment variable)
if [[ $# -lt 4 ]];  then  echo "Format: [narrow=1] [cam1=1] $0 width height framerate ms [us]"; exit;  fi
if [[ "$(( $1 % 2 ))" -eq 1 ]];  then echo "width has to be even"; exit;  fi
if [[ "$(( $2 % 2 ))" -eq 1 ]];  then echo "height has to be even"; exit;  fi
export SHTR=""; if [[ $# -gt 4 ]]; then SHTR="--shutter"; fi
export workaround=""; if [[ "" != "$(grep '=bookworm' /etc/os-release)" ]]; then workaround="--no-raw"; fi
export d=10; if [[ "" != "$(grep "Revision.*: ...17.$" /proc/cpuinfo)" ]]; then if [[ "$cam1" == "" ]]; then d=6; else d=4; fi; fi
for((m=0; m<=5; ++m))