TZUTC: -0700   
   MSGID: 58121.sync_sys@1:103/705 2ca488b4   
   PID: Synchronet 3.21a-Linux master/c5f547bfd May 19 2025 GCC 12.2.0   
   TID: SBBSecho 3.27-Linux master/dd0e146a0 May 28 2025 GCC 12.2.0   
   BBSID: VERT   
   CHRS: UTF-8 4   
   FORMAT: flowed   
   https://gitlab.synchro.net/main/sbbs/-/issues/936#note_7296   
      
   OK, for the 2nd part of the problem, where `.?lo` is in the locks array, it   
   looks like the regex in `lock_file(file)`, is being passed a `.?lo` file, and   
   should return a `.bsy` file - but its not working:   
      
   ```   
           log(LOG_INFO,"START lock_flow: "+file)   
           log(LOG_INFO,JSON.stringify(file.replace(/\.[^\.]*?$/, '.bsy')));   
   ```   
      
   Returns:   
      
   ```   
   │Jun 03 13:31:36 ⋮ local1.info synchronet: evnt BINKOUT START lock_flow:   
   /opt/sbbs/fido/outbound.00a/00010001.fl   
                                                                            │   
   │Jun 03 13:31:36 ⋮ local1.info synchronet: evnt BINKOUT "/op   
   /sbbs/fido/outbound.00a/00010001.flo   
      
      
      
      
      
      
      
      
      
                                                                                    
   ┤   
   ```   
      
   However later, an actual call doesnt have a suffix:   
      
   ```   
   │Jun 03 13:31:45 ⋮ local1.info synchronet: evnt BINKOUT START lock_flow:   
   /opt/sbbs/fido/outbound.00a/00010001   
                                                                               │   
   │Jun 03 13:31:45 ⋮ local1.info synchronet: evnt BINKOUT "/op   
   /sbbs/fido/outbound.00a/00010001.bsy   
      
      
      
      
      
      
      
      
      
                                                                                    
   │   
   ```   
      
   Retsulting in the correct lock file being returned.   
      
   The regex should probably be replaced with:   
      
   `file.replace(/\.[^\.]*$/, '.bsy')`   
      
   (Note the removal of the question mark.)   
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