{"id":4997,"date":"2012-09-09T11:59:00","date_gmt":"2012-09-09T11:59:00","guid":{"rendered":"https:\/\/blogs.technet.microsoft.com\/heyscriptingguy\/2012\/09\/09\/powertip-two-quick-ways-to-check-variables-in-powershell\/"},"modified":"2012-09-09T11:59:00","modified_gmt":"2012-09-09T11:59:00","slug":"powertip-two-quick-ways-to-check-variables-in-powershell","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/scripting\/powertip-two-quick-ways-to-check-variables-in-powershell\/","title":{"rendered":"PowerTip: Two Quick Ways to Check Variables in PowerShell"},"content":{"rendered":"

Summary<\/b>: Check for undeclared variables.<\/p>\n<\/p>\n

\"Hey, How can I cause the script to generate an error if a variable has not been declared?<\/p>\n<\/p>\n

\"Hey, Here are a couple of ways to do this with Windows PowerShell.<\/p>\n

a<\/strong>. Place set-psdebug –strict<\/b> anywhere in the script. Any nondeclared variable will generate an error when accessed.<\/p>\n

b<\/strong>. Use Set-StrictMode –Version latest<\/strong><\/p>\n

 <\/p>\n

\"\"<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Summary: Check for undeclared variables.  How can I cause the script to generate an error if a variable has not been declared?  Here are a couple of ways to do this with Windows PowerShell. a. Place set-psdebug –strict anywhere in the script. Any nondeclared variable will generate an error when accessed. b. Use Set-StrictMode –Version latest  <\/p>\n","protected":false},"author":596,"featured_media":87096,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[356,3,45],"class_list":["post-4997","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-scripting","tag-powertip","tag-scripting-guy","tag-windows-powershell"],"acf":[],"blog_post_summary":"

Summary: Check for undeclared variables.  How can I cause the script to generate an error if a variable has not been declared?  Here are a couple of ways to do this with Windows PowerShell. a. Place set-psdebug –strict anywhere in the script. Any nondeclared variable will generate an error when accessed. b. Use Set-StrictMode –Version latest  <\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts\/4997","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/users\/596"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/comments?post=4997"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/posts\/4997\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/media\/87096"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/media?parent=4997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/categories?post=4997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/scripting\/wp-json\/wp\/v2\/tags?post=4997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}