Automate batch file execution




















Be familiar with silent installation and uninstallation. Create installation and uninstallation response files. Uninstall previously installed TestArchitect by entering the following command. Note: If you do not installTestArchitect yet, proceed to step 6. Begin to install a newer version of TestArchitect by entering the following command.

As long as Windows understands that. When you try to launch a script automatically by double-clicking it, it's possible you'll get a message saying Windows doesn't know which program to use to open your file. Make sure "Always use the selected program to open this kind of file" is checked and click OK.

Windows now understands that. Double-clicking a. You can alternatively tell your operating system to run a script using the Windows command line interface.

This environment just gives you a blank window with a blinking cursor and allows you to type the path to a script or program, followed by a list of parameters.

It's a clean, minimalist way to run a script. Advanced use of the command line is outside the scope of this course.

For now, it's sufficient to say that you can run a script from the command line by typing the path of the Python executable, followed by the full path to the script, like this:. If the script takes parameters, you must also type each argument separated by a space. Remember that arguments are the values you supply for the script's parameters. Here's an example of a command that runs a script with two arguments, both strings that represent pathnames.

If the script executes successfully, you often won't see anything except a new command prompt remember, this is minimalist!

If your script is designed to print a message, you should see the message. If your script is designed to modify files or data, you can check those files or data perhaps using the Catalog pane in Pro to make sure the script ran correctly.

You'll also see messages if your script fails. Sometimes these are the same messages you would see in the Spyder Console. At other times, the messages are more helpful than what you would see in Spyder, making the command line another useful tool for debugging. Unfortunately, at some times the messages are less helpful. Why is the command line so important in a discussion about automation? After all, it still takes work to open the command line and type the commands. And another common use of the IF statement is to test if a file exists, and take action if so.

For example, to delete a temporary file called TEMP. DAT , you might use this line in your batch file:. To print a message if a file does not exist, you could write:. One way to leverage the IF test is to jump to an entirely different part of the batch file, depending on the outcome of a previous test.

In the simplest case, you might want to skip to the end of the batch file if a key command fails. Or you might want to execute other statements if certain environment variables are not set up correctly. You can skip around to different parts of a batch file using the GOTO instruction.

This jumps to a specific line, called a label , in the batch file. Note that this is a strict "go-to" jump; batch file execution picks up at the new label.

Let's say a program needed an existing empty file to store temporary data. If the file did not exist, you would need to create a file before running the program. You might add these lines to a batch file, so your program always has a temporary file to work with:. Of course, this is a very simple example. For this one case, you might instead rewrite the batch file to create the temporary file as part of the IF statement:.

What if you need to perform the same task over a set of files? You can iterate over a set of files with the FOR loop. This is a one-line loop that runs a single command with a different file each time. SSL certificate. Save now. What is a batch or. Creating a batch file: Step-by-step tutorial Creating your own batch files is useful for automating the execution of recurring command sequences. Step 1: Select and open your editor As mentioned earlier, text documents are a good starting point for batch scripts.

Step 3: Create and save a batch file An easy introduction to the art of creating batch files is to write a simple script that creates multiple directories on a selected disk on your computer. Simply copy the two lines into an empty Notepad document, as shown in the following screenshot:. Step 4: Run the new batch script After you create and save the batch file, you have two options to run it: Either run the script in the familiar Windows Explorer environment or open Command Prompt and run it using a command-line command.

If you want to open the batch file from the command line instead, do the following: Go to the Windows search bar and type cmd. Click Command Prompt to open the command line in the standard way. If you need administrator privileges to run it, right-click Command Prompt and then choose Run as Administrator. Type the name of the batch script including the file extension and press Enter. Step 5: Editing batch files retrospectively You can customize a batch script at any time , for example if you want to add or remove commands or modify directories.

Address book. Virus protection. Examples of more frequently used and complex batch scripts With the above step-by-step guide, you can create a wide variety of batch files with an unlimited number of different commands. Batch script with simple backup mechanism The following example shows how useful batch files can be for creating regular back-ups of any directory:. Batch file with complex backup function The above backup program allows you to copy the source files from the source folder to the destination folder.



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