- 待翻译 -原文出处：Want to start a big data company? Here are 5 things you need to know- From GIGAOM byDerrick Harris原文SUMMARY:While some big data startups are thriving, others are shutting down or searching
[root@master bash]#cat test
#!/bin/bash
cat <<-HAHA
this is a tset
hah
xiix
gaga
wawa
HAHA
[root@master bash]#./test
this is a tset
hah
xiix
gaga
wawa
[root@master bash]#
Here Document
基本语法：
命令<<标记
.......
.......
.......
标记
范例1：
wc -l <<HERE
line 1
line 2
line 3
line 4
HERE
结果为 4
Here Document支持变量替换
1关闭变量替换的功能 在HERE上加单引号
cat &l
