for in 循环语句
#!/bin/bash
for x in one two three four
do
echo number $x
done
例：取出passwd中每一行name 并输出 hello + name
#!/bin/bash
LINES=`wc -l /home/eko/passwd | cut -d' ' -f1`
for i in `seq 1 $LINES`
do
echo "hello,`head -n $i /home/eko/passwd | tail -n 1 | cut -d: -f1`"
done
* seq 语句
root@ubuntu:/home/eko# seq 1 5
1
2
3
4
5 root@ubuntu:/home/eko# seq 1 2 10
1
3
5
7
9
for 循环
#!/bin/bash
for((i=1;i<10;i++))
do
echo "hello $i"
done
for file in
#!/bin/bash for file in /proc/*;
do
echo $file is file path \! ;
done #!/bin/bash for file in $(ls *.sh)
do
echo $file is file path \! ;
done
while
while [ $count -le ]; do
echo $count
count=$((count + ))
done
echo "finished"
case
case $变量名 in
模式1）
命令序列1
;;
模式2）
命令序列2
;;
*）
默认执行的命令序列 ;;
esac