2. simple samples

updated at Mon Dec 22 13:37:08 JST 2008

2.1. very simple sample: HelloWorld program

> cat hello.ehs

Hello, world!

> ehs hello.ehs 

Hello, world!

2.2. next, use <%= %>

> cat hello2.ehs

Hello, <%= "world" %>!

> ehs hello2.ehs 

Hello, world!

2.?. mmm...

> cat threeTimesSayA.ehs

<%% n = 3 %%>
I say 'a' <%=$ n %> times.
<%=$ replicate n 'a' %>.

> ehs threeTimesSayA.ehs n=5


I say 'a' 5 times.
"aaaaa".