Shell-循环例子

Shell-循环例子

for循环

# exmple 1
for row in $(cat aa.txt);do echo $row ;sleep 2; done

# exmple 3
for ((i=1; i<=100; i ++))
do
  echo $i
done

while循环

# exmple 1
while true; do date; uptime; sleep 5; done

# exmple 2
cat a.txt | while read row
do
  echo $row
done