1.管道 "|"
ls | cat -n > out.txt
2. 子shell
2.1 子shell 说明
在shell脚本中可以用()操作符可以定义一个子shell
#/bin/bash
pwd
(cd / ; ls)
pwd
执行结果
aaarticlea/png;base64,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" alt="" />
说明: 当命令在子shell中执行的时候不会对当前shell有任何影响
2.2 获取子shell 中的数据
cmd_output=$(COMMANDS)
out=$(ls -l | cat -n)
#!/bin/bash
out=$(ls -l | cat -n)
echo $out
输出结果:
aaarticlea/png;base64,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" alt="" />
问题所在: 行和行之间的回车键没了。这显然是我们不想要的结果
解决办法:将子shell的结果放入双引号中,保留换行符
#!/bin/bash
out=$(ls -l | cat -n)
echo $out
out="$(ls -l | cat -n)"
echo $out
执行结果:
aaarticlea/png;base64,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" alt="" />
什么鬼!!!居然没有变化。 难道书上写错啦!!
最后在网上找到了问题的答案: IFS(内部域分隔符)
IFS详情: http://www.2cto.com/os/201504/394478.html
将IFS设置成"\n"换行符就可以了,只是在外边加上引号的这种做法是不对的
#!/bin/bash
out=$(ls -l | cat -n)
echo $out
IFS="\n"
out=$(ls -l | cat -n)
echo $out
aaarticlea/png;base64,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" alt="" />
3. 反引用(与单引号可不是一回事)
out.txt=·ls | cat -n·
其它操作与子shell相同