由 neevop 十二月 6, 2022
Basic for loop
for i in /etc/rc.*; do
echo "$i"
done
C-like for loop
for ((i = 0 ; i < 100 ; i++)); do
echo "$i"
done
Ranges
for i in {1..5}; do
echo "Welcome $i"
done
With step size
for i in {5..50..5}; do
echo "Welcome $i"
done
Reading lines
while read -r line; do
echo "$line"
done <file.txt
Forever
while true; do
···
done