Statement: Open

Funzione:
             L'istruzione OPEN inizializza il processo di un file.
 
 
Formato 1   ( Files Sequential )
 

 

                                      
REVERSED

WITH LOCK

 

     OPEN



INPUT         nome-file-1




OUTPUT  { nome-file-2  [ WITH LOCK ] } ....

I-O  { nome-file-3  [ WITH LOCK ] } ....

EXTEND  { nome-file-4  [ WITH LOCK ] } ....
                                                               
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Formato 2   ( Files Line Sequential - Relative - Indexed)

 

 

    OPEN 

{ nome-file-4  [ WITH LOCK ] } ....
{ nome-file-4  [ WITH LOCK ] } ....
{ nome-file-4  [ WITH LOCK ] } ....
{ nome-file-4  [ WITH LOCK ] } ....
          
INPUT        
OUTPUT      
I-O             
EXTEND     
          
                                                               
 
 
 
 
 
 
 
 
 
 
 

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