How To Write Comment Block In Batch File MSDOS – POFTUT

How To Write Comment Block In Batch File MSDOS

Windows MS-DOS very useful programming environment for Windows family operating system. In order to complete jobs easier, faster and less error system administrators generally uses batch scripts. In order to remember or understand commands and functions written to batch script we generally use comments or comment block. In this tutorial we will look how to create comments.

Single Line Comment

We will start by showing single line comment. rem is the keyword used by MS-DOS in order t specify comment line. The comment line will start with rem keyword and we have to put single space to start comment part. In this example we will write comment This is comment . As we know comments are not executed or interpreted like other commands. They are just text to explain code.

Multiple Line or Block Comment

We can also provide multi line or block comment by using multiple rem keyword in a row like below.

:: As Comment

We can also use :: as comment sign like rem . We will use :: as line starter and write comment after that. We can also use it multiple line for block comments too

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3 Responses

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  3. aw says:

    To me, the title is misleading. Adding a line comment mark to every line is not really a “Block comment”, although some programmers now use it that way. A block comment is one with a start and end mark so that you don’t have to worry about adding it to every single line for a more readable comment and for longer comments. For example, in SQL and a few other languages the /* to start the comment and then end the comment with */ truly gives you a block comment where you don’t have to remember to add special code for every hard return. If it was your intention to get more clicks by adding a title to have people come look who already knew how to do a line comment, then you succeeded.

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