Shellscript: single-line Comment & multi-line comment

#! /Bin/bash

# Single line Comment & multi-line comment

: <!

Comments for multiple rows

Single-line Comments & multiline comments

<Tag

Comment content

Tag

<Here doc is used to redefine the input to the previous command.

However, if it is an empty command, it can be understood as a comment.

!

: <\ EOF

EOF |! | EOF | block. Pay attention to the location;

Do not use single quotation marks \ '| double quotation marks \ "| braces {}

EOF

: <Nnnnnnn

Custom annotation label

Defined

Nnnnnnn

: <Ooooooo

'

Multi-line comment

'

Ooooooo

Echo-e "multiline comments ._."

This article is from the "andyhdchoice" blog, please be sure to keep this source http://andyhdchoice.blog.51cto.com/1521623/1548781

Shellscript: single-line Comment & multi-line comment