April 2007
Intermediate to advanced
551 pages
12h 9m
English
Content preview from Professional Windows® PowerShell
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18.2. The set-PSDebug Cmdlet
The set-PSDebug cmdlet turns Windows PowerShell script debugging on and off.
NOTE
Members of the Windows PowerShell team have indicated a full script debugger is likely to be available in a future version of Windows PowerShell. As far as I am aware, no indication has been given of which version or of a likely timescale.
The set-PSDebug cmdlet supports the common parameters (described in Chapter 6) and the following parameters. Each of the listed parameters is optional. All are named parameters.
Trace — Specifies how tracing is to be carried out. Permitted values for this property are the Int32 values 0, 1, and 2.
Step — Step through code one statement at a time.
Strict — Specifies that an exception should be thrown if a variable is referenced before it has been assigned a value.
Off — Turn debugging off.
The values of the Trace parameter have the meanings shown in the following table.
| Trace Parameter Value | Meaning |
|---|---|
| 0 | No debugging. |
| 1 | Trace script lines. |
| 2 | Trace script lines, variable assignments, function calls, and scripts. |
The following commands show what debug information is (or is not) displayed when the simple assignment statement
$a = 10
is executed multiple times. First the statement is run with debug set to off; then, in succession, debug is set to Trace 0, Trace 1, Trace 2, and, finally, Off again.
As you can see in Figure 18-7, Trace 0 is the same as setting debugging to Off. No debugging information is displayed. When debugging is set to Trace 1, the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.