Check if a certain file has been updated in last X days and error if is hasn't

i need test if file has been updated within last few days (it's updated monthly) , proceed if so, error if hasn't been updated.

i used following check if file has been updated:

get-item c:\temp\junk.txt | where{$_.lastwritetime -gt (get-date).adddays(-7)}

it returns file:

but couldn't work in if/else statement, tried test-path:

$path = "c:\temp\junk.txt"    if(test-path -path $path | where{$_.lastwritetime -gt (get-date).adddays(-7)})    {      "file exists"    }  else   {“no file” }  

although returns "no file".
idea i'm doing wrong??

 

 

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-al h

hi,

here's how i'd that:

if ((get-item c:\temp\junk.txt).lastwritetime -gt (get-date).adddays(-7)) {      write-output 'less 7'  }  else {      write-output 'too old'  }

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