Difference between <<EOF and <<EOS

[Kim Kendall]

Just curious what the differences are between the use of the <

[curt larson_1 · Accepted solution]

you can specify that one or more commands in your script read input from lines within your script, rather then from your terminal. To do this, use the I/O redirection operator <<, followed by an arbitary delimiter-word. The lines starting after the next newline and continuing until a line containing only the delimiter-word, are called a here-document.

with <

[RAC_1]

You can put whatever you want

ssomething << KIM

you code here

KIM.

It will read input till it encounters KIM.

[Kim Kendall]

Great! Thats what I was looking for... what it is called ... "here documents"

Thx!

[Darren Prior]

Hi Kim,

yes, it's a "here document." There is a small mention of them in the sh-posix man page, if you search for <<

regards,

Darren.

[hein coulier]

You just have to watched out for little mistakes, like putting a space between "<<" and "KIM". I wasted a lot of time with typos like that.

[Kim Kendall]

I've seen examples like :

<<-EOS "
___more commands
___more commands "
___EOS

Where "___" is whitespace.

Using quotes and whitespace (if you preface the EOS with a dash)