What does D mean in a batch file?

~d is drive, ~p is the path (without drive), ~n is the file name. They can be combined so ~dp is drive+path. \%~dp0 is therefore pretty useful in a bat: it is the folder in which the executing bat file resides.

What are .bat files explain the commands?

A batch file is a script file in DOS, OS/2 and Microsoft Windows. It consists of a series of commands to be executed by the command-line interpreter, stored in a plain text file. When a batch file is run, the shell program (usually COMMAND.COM or cmd.exe) reads the file and executes its commands, normally line-by-line.

What does \%~ 1 mean in a batch file?

Updated: 11/16/2019 by Computer Hope. When used in a command line, script, or batch file, \%1 is used to represent a variable or matched string. For example, in a Microsoft batch file, \%1 can print what is entered after the batch file name.

What does CD d \%~ dp0 mean?

cd — This is change directory command. ( \%~d0 Changs active drive, cd \%~p0 change the directory). \%~dp0 — This can be dissected further into three parts: \%0 — This represents zeroth parameter of your batch script. It expands into the name of the batch file itself.

How do you comment out a batch file?

A batch file can be commented using either two colons :: or a REM command. The main difference is that the lines commented out using the REM command will be displayed during execution of the batch file (can be avoided by setting @echo off ) while the lines commented out using :: , won’t be printed.

What does S mean in batch file?

The Windows command prompt ( cmd.exe ) has an optional /s parameter, which modifies the behavior of /c (run a particular command and then exit) or /k (run a particular command and then show a shell prompt).

What is @echo off in batch file?

echo off. When echo is turned off, the command prompt doesn’t appear in the Command Prompt window. To display the command prompt again, type echo on. To prevent all commands in a batch file (including the echo off command) from displaying on the screen, on the first line of the batch file type: @echo off.

Can we pass parameters to batch file?

Batch parameters (Command line parameters): In the batch script, you can get the value of any argument using a \% followed by its numerical position on the command line. The first item passed is always \%1 the second item is always \%2 and so on. If you require all arguments, then you can simply use \%* in a batch script.

What does the REM command do?

Purpose: Provides a way to insert remarks (that will not be acted on) into a batch file. During execution of a batch file, DOS will display (but not act on) comments which are entered on the line after the REM command.