GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
case $step in
true) echo -n $cmd " ?"
read ans
case $ans in
n*) exit 0;;
q*) exit 1;;
esac;;
esac
case $history in
true) echo $cmd >> ${gpname}.history;;
esac
eval $cmd $cmdsource $cmddest || exit 1
exit 0