Powershell set string to null

In this particular case, we are checking whether or not the variable holds an object. In the first command, we get WinRM , a valid service. I know by looking at services. This works, but you have to always remember to code for two comparisons, and it is twice as much work as a single comparison.

Luckily, there is a. In your script logic, you may test for a null or empty string update your parameters accordingly, but what if a value of white space would cause abnormal behavior too? To test for this case we will use another.

So if you indeed want to check for all three of these cases, you can do so with one test:. Any three of these may be an acceptable value, albeit not a very interesting one. The key must be provided in the format of a secure string. The secure string will be converted to a byte array to be used as the key.

Valid secure key lengths are 8, 12 and 16 code points. Some characters, such as emoticons, correspond to several code points in the string that contains them. Avoid using these characters because they may cause problems and misunderstandings when used in a password. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info.

Contents Exit focus mode. Please rate your experience Yes No. Any additional feedback? Module: Microsoft. Converts plain text or encrypted strings to secure strings. Caution You should avoid using plain text strings in script or from the command line. Specifies the string to convert to a secure string. Submit and view feedback for This product This page. Find centralized, trusted content and collaborate around the technologies you use most. Connect and share knowledge within a single location that is structured and easy to search.

This should be two different values! Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. PowerShell string default parameter value does not work as expected Ask Question. Asked 7 years, 9 months ago. Active 4 years, 5 months ago. Viewed 57k times. Requires -Version 2.

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