Puoi indovinare cosa faccia questo ciclo?
basta copiarlo in uno script di shell e guardare cosa salta fuori.
interessante promemoria perché contiene numerosi costrutti di base, che non usando spesso bash, si dimenticano alla svelta.
echo -e "\e[32m";
while :; do
for i in {1..16}; do
r="$(($RANDOM % 2))";
if [[ $(($RANDOM % 5)) == 1 ]]; then
if [[ $(($RANDOM % 4)) == 1 ]]; then
v+="\e[1m $r ";
else
v+="\e[2m $r ";
fi;
else
v+=" ";
fi;
done;
echo -e "$v";
v="";
done
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