9b1d6552____eSort_Home_Page__Notes__description
[Switch] /i [Specifies] input file [Notes, description] 
Use this switch to specify the name of an existing file to read the list of email addresses to be sorted from. If a file is not specified using this switch, eSortTM reads the addresses from the standard input, which may be redirected.
!! eSort Home Page
Notes, description