Bash 'for' 循环语法？

Bash 'for' loop syntax?

提问by jman

What is the syntax for a Bash forloop?

Bashfor循环的语法是什么？

I have tried:

我试过了：

for (($i=0;$i<10;$i ++))
do
    echo $i
done

I get this error:

我收到此错误：

line 1: ((: =0: syntax error: operand expected (error token is "=0")

回答by jman

Replace

代替

for (($i=0...

with

和

for ((i=0;i<10;i++))

回答by Micha? ?rajer

The portable way is:

便携方式是：

for i in `seq 0 9`
do
    echo "the i is $i"
done

回答by Eric Fortis

Another way

其它的办法

for i in {0..9}
  do
    echo $i
  done