# emits `TR_RACK_<GUN>=off ...` for every gun except the one to keep.
# usage: arm_env.sh <full|onlyLinear|onlyPattern|onlyGF|onlyKNN>
arm="$1"
GUNS="HEADON LINEAR TSETLIN CIRCULAR GUESSFACTOR PATTERN WALLBOUNCE ACCEL STOPSHOT DISPLACE AVGLEAD DECAYGF KNN TMSELECT"
case "$arm" in
  full) keep="";;
  onlyLinear)   keep="LINEAR";;
  onlyPattern)  keep="PATTERN";;
  onlyGF)       keep="GUESSFACTOR";;
  onlyKNN)      keep="KNN";;
  *) echo "unknown arm $arm" >&2; exit 1;;
esac
out=""
if [ -n "$keep" ]; then
  for g in $GUNS; do
    [ "$g" = "$keep" ] && continue
    out="$out TR_RACK_${g}=off"
  done
fi
echo "$out"