PSMDTAG:FAQ: Why don’t I see output when I use Write-Verbose and Write-Debug?
PSMDTAG:SHELL: Use of Preference Variables to control behavior of streams.<\/p>\n
In Windows PowerShell, the WRITE-XXX cmdlets merely sends things to a Named stream. You then have user-defined preferences for what to do when things appear on that stream. Alex Angelopoulos provided the following function TEST-WRITER to highlight the issue:<\/p>\n
function Test-Writer PS> test-writer Notice the lack of “Write-Verbose” and “Write-Debug”<\/p>\n PS> dir variable:*preference<\/strong><\/p>\n Name Value PS> $DebugPreference=$VerbosePreference=”Continue” Enjoy!<\/font><\/p>\n PSMDTAG:FAQ: Why don’t I see output when I use Write-Verbose and Write-Debug?PSMDTAG:SHELL: Use of Preference Variables to control behavior of streams. In Windows PowerShell, the WRITE-XXX cmdlets merely sends things to a Named stream. You then have user-defined preferences for what to do when things appear on that stream. Alex Angelopoulos provided the following function […]<\/p>\n","protected":false},"author":600,"featured_media":13641,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[10,21],"class_list":["post-10071","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-powershell","tag-faq","tag-shell"],"acf":[],"blog_post_summary":" PSMDTAG:FAQ: Why don’t I see output when I use Write-Verbose and Write-Debug?PSMDTAG:SHELL: Use of Preference Variables to control behavior of streams. In Windows PowerShell, the WRITE-XXX cmdlets merely sends things to a Named stream. You then have user-defined preferences for what to do when things appear on that stream. Alex Angelopoulos provided the following function […]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/posts\/10071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/users\/600"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/comments?post=10071"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/posts\/10071\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/media\/13641"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/media?parent=10071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/categories?post=10071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/tags?post=10071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
{
‘Will test Write -Host, -Output, -Verbose, -Warning, -Error.’
Write-Host ‘Write-Host’
Write-Output ‘Write-Output’
Write-Verbose ‘Write-Verbose’
Write-Warning ‘Write-Warning’
Write-Error ‘Write-Error’
‘Done with test.’
}<\/p>\n
<\/strong>Will test Write -Host, -Output, -Verbose, -Warning, -Error.
Write-Host
Write-Output
WARNING: Write-Warning
Test-Writer : Write-Error
At line:1 char:11
+ test-writer <<<<
Done with test.<\/font><\/p>\n
—- —–
DebugPreference SilentlyContinue
VerbosePreference SilentlyContinue
ProgressPreference Continue
ErrorActionPreference Continue
WhatIfPreference 0
WarningPreference Continue
ConfirmPreference High<\/p>\n
<\/font><\/strong>PS> test-writer
<\/strong>Will test Write -Host, -Output, -Verbose, -Warning, -Error.
Write-Host
Write-Output
VERBOSE: Write-Verbose
WARNING: Write-Warning
<\/font>Test-Writer : Write-Error
At line:1 char:11
+ test-writer <<<<
Done with test.
PS><\/font><\/p>\n
Jeffrey Snover [MSFT]
Windows PowerShell Architect
Visit the Windows PowerShell Team blog at: http:\/\/blogs.msdn.com\/PowerShell<\/a>
Visit the Windows PowerShell ScriptCenter at: http:\/\/www.microsoft.com\/technet\/scriptcenter\/hubs\/msh.mspx<\/a><\/font><\/p>\n","protected":false},"excerpt":{"rendered":"