Using a period to end an input string

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                             Verify IMS Connectivity                            
                                               Commands: RESet REView ROUTe SAVE
 Connect SD5DBCON + or Host                                          Port 11733
 Type the message(s) and select options.  Then press Enter.                     
 IVTNO     DISPLAY LAST4      . <= use a period                                 
                                                                               
                                                                               
                                                                    More:     +
 IRM Header         | Protocol          | Misc. Options     | Energizer options
 MsgID    *SAMPLE* +| . CM0 Commit-send | Timer    0.25 sec | Iterations 1      
 ClientID BOLNXC    | / CM1 Send-commit | _ Return MFS      | Msg Length        
 DataStor          +| . Send only       | _ Purge           | Max SegLen 32760  
 Group              | . Send only w/err | _ Syncpt          | Pad               
 UserID   BOLNXC    | . Resume TPIPE    | _ Serial delivery | Wait     15   sec
 Password          +| Confirmation      | _ Ignore PURG     | TCP serv          
 NewPass           +| . Confirm (ACK)   | _ Cancel ClientID | Seg/msg delim.    
 ApplID             | . Reject  (NAK)   | _ Expire Tran     | _ ASIS (see Help)
 TranCode           | Socket type       | _ ACK no wait     | _ Send as ASCII   
 LTERM              | . Persistent      | _ DFS2082 message | _ JAVA/OTMA hdrs.
 Reroute            | . Non-persistent  | _ Gen. ClientID   | _ Detail report   
 Modname            | / Transaction     | _ Return ClientID |