for
数字型
代码语言：javascript
复制#!/bin/bash
for((i=1;i<=10;i ));
do
echo $(expr $i * 3 1);
done
代码语言：javascript
复制#!/bin/bash
for i in $(seq 1 10)
do
echo $(expr $i * 3 1);
done
代码语言：javascript
复制#!/bin/bash
for i in {1..10}
do
echo $(expr $i * 3 1);
done
代码语言：javascript
复制#!/bin/bash
for((integer = 1; integer <= 5; integer ))
do
echo "$integer"
done
代码语言：javascript
复制#!/bin/bash
sum=0
for(( i = 1; i <= 100; i = i 2 ))
do
let "sum = i"
done
echo "sum=$sum"
字符型
代码语言：javascript
复制#!/bin/bash
for i in `ls`;
do
echo $i is file name! ;
done
代码语言：javascript
复制#!/bin/bash
for i in $* ;
do
echo $i is input chart! ;
done
代码语言：javascript
复制#!/bin/bash
for i in f1 f2 f3 ;
do
echo $i is appoint ;
done
代码语言：javascript
复制#!/bin/bash
list="rootfs usr data data2"
for i in $list;
do
echo $i is appoint ;
done
路径型
代码语言：javascript
复制#!/bin/bash
for file in /proc/*;
do
echo $file is file path ! ;
done
代码语言：javascript
复制#!/bin/bash
for file in $(ls *.sh)
do
echo $file is file path ! ;
done
awk
代码语言：javascript
复制#!/bin/bash
awk 'BEGIN{for(i=1; i<=10; i ) print i}'
while
单行
代码语言：javascript
复制 while : ;do netstat -n | awk '/^tcp/ { S[$NF]} END {for(a in S) print a,S[a]}' ; sleep 1; done;
代码语言：javascript
复制#!/bin/bash
echo "Please input the num "
read num
factorial=1
while [ "$num" -gt 0 ]
do
let "factorial= factorial*num"
let "num--"
done
echo "The factorial is $factorial"
附
代码语言：javascript
复制#!/bin/bash
for (( i = 1; i <=9; i ))
do
for (( j=1; j <= i; j ))
do
let "temp = i * j"
echo -n "$i*$j=$temp "
done
echo "" #output newline
done
