Linux 命令 for循环

for 循环

遍历列表

for fruit in apple banana orange

do

echo "I like $fruit"

done

遍历文件

for file in *.txt
do
echo "Processing file" cp "file" backup/
done

数字范围 （使用 seq 或 {start..end}）

1到5

for i in {1..5}

do

echo "Number: $i"

done

步长2（需要 Bash 4+）

for i in {1..10..2}

do

echo "Odd: $i"

done

使用 seq

for i in $(seq 1 5)

do

echo "Seq: $i"

done

C 语言风格

for ((i=0; i<5; i++))

do

echo "Index: $i"

done