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 Analyse program "enqoper" 
 Purpose : Reads the oper file to extract data.

 Usage   : enqoper [-i -f -list -ver -h -?] data 
  
 -i DIR  : Use DIR as name-directory.
 -f FILE : read FILE rather than the default "oper"
 -list   : List data names that can be queried.
 -ver    : Version information about the program.
 -h      : Print this help text. 
 -?      : Print this help text. 
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