if, warn and next

while (...) {
   local *INFILE;
   if (!open(INFILE, '<', $inputFile)) {
      warn("Unable to open analysis file $inputFile: $!\n");
      next;  # 
   }

   ...
}
[download]

• Your error message was wrong. Don't assume it's because the file was not found. open sets $!, so use it. Also, it would be useful to specify the file for which the error occured.
• I used the 3-arg open for safety.
• Don't forget to limit the scope of your file handles (as done here using local).

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