powershell - monitor for creation and then read a file via windows .bat script -

i write batch script poll windows directory time limit , pick file placed in directory. timeout after time if file not placed in directory within time frame.

i parse xml file , check status.

here's powershell script asked.

$content variable store contents of file (it array of lines can throw foreach loop).

$file = 'c:\flag.xml' $timeout = new-timespan -minutes 1 $sw = [diagnostics.stopwatch]::startnew() while ($sw.elapsed -lt $timeout) {     if (test-path $file)     {         "$(get-date -f 'hh:mm:ss') found file: $file"         $content = gc $file         if ($content -contains 'something interesting')         {             "$(get-date -f 'hh:mm:ss') file has interesting in it!"         }         break     }     else     {         "$(get-date -f 'hh:mm:ss') still no file: $file"     }     start-sleep -seconds 5 }