Batch Script is incorporated to automate command sequences which are repetitive in nature. Scripting is a way by which one can alleviate this necessity by automating these command sequences in order to make one’s life at the shell easier and more productive. In most organizations, Batch Script is incorporated in some way or the other to automate stuff.
Some of the features of Batch Script are:
- Can read inputs from users so that it can be processed further.
- Has control structures such as for, if, while, switch for better automating and scripting.
- Supports advanced features such as Functions and Arrays.
- Supports regular expressions.
- Can include other programming codes such as Perl.
Some of the common uses of Batch Script are:
- Setting up servers for different purposes.
- Automating housekeeping activities such as deleting unwanted files or log files.
- Automating the deployment of applications from one environment to another.
- Installing programs on various machines at once.
Batch scripts are stored in simple text files containing lines with commands that get executed in sequence, one after the other. These files have the special extension BAT or CMD. Files of this type are recognized and executed through an interface (sometimes called a shell) provided by a system file called the command interpreter. On Windows systems, this interpreter is known as cmd.exe.
Running a batch file is a simple matter of just clicking on it. Batch files can also be run in a command prompt or the Start-Run line. In such case, the full path name must be used unless the file's path is in the path environment. Following is a simple example of a Batch Script. This Batch Script when run deletes all files in the current directory.
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