<\/p>\n
In the newsgroup Microsoft.Public.Windows.PowerShell Marco Shaw<\/strong> asked about accessing data past the end of a defined array. He wondered why he didn’t get an error. <\/p>\n As a general rule in PowerShell, when you ask for something that doesn’t exist, you get an NULL not an error.<\/p>\n The exception to this rule is when you enable STRICT mode. STRICT mode is limited in V1, it throws an exception when you access a variable that does not exist. But it does not throw an exception if you access an array element which does not exist. Over time, we’ll address that.<\/p>\n Jeffrey Snover [MSFT] In the newsgroup Microsoft.Public.Windows.PowerShell Marco Shaw asked about accessing data past the end of a defined array. He wondered why he didn’t get an error. As a general rule in PowerShell, when you ask for something that doesn’t exist, you get an NULL not an error. PS> $array=@(0,1,2)PS> if ($array[1] -ge $array[50000]) {“ge”}gePS> if ($array[1] […]<\/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":[],"class_list":["post-8801","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-powershell"],"acf":[],"blog_post_summary":" In the newsgroup Microsoft.Public.Windows.PowerShell Marco Shaw asked about accessing data past the end of a defined array. He wondered why he didn’t get an error. As a general rule in PowerShell, when you ask for something that doesn’t exist, you get an NULL not an error. PS> $array=@(0,1,2)PS> if ($array[1] -ge $array[50000]) {“ge”}gePS> if ($array[1] […]<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/posts\/8801","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=8801"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/posts\/8801\/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=8801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/categories?post=8801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/powershell\/wp-json\/wp\/v2\/tags?post=8801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
PS> $array=@(0,1,2)
PS> if ($array[1] -ge $array[50000]) {“ge”}
ge
PS> if ($array[1] -ge $NoSuchVariable) {“ge”}
ge
PS>
<\/p>\n
PS> Set-PSDebug -Strict
PS> $array=@(0,1,2)
PS> if ($array[1] -ge $NoSuchVariable) {“ge”}
The variable $NoSuchVariable cannot be retrieved because it has not been se
t yet.
At line:1 char:34
+ if ($array[1] -ge $NoSuchVariable) <<<< {“ge”}
PS> if ($array[1] -ge $array[50000]) {“ge”}
ge
PS> <\/p>\n
Windows PowerShell\/MMC 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><\/p>\n","protected":false},"excerpt":{"rendered":"