The ‘sort’ utility (no options) doesn’t behave as expected:

 

Here are the pertinent results:

 

/fpga/OAF/HD/rtl/vhdl_wrapper/clock_monitor_synthesis.v

/fpga/OAF/HD/rtl/vhdl_wrapper/clockmonitor_synthesis.v

/fpga/OAF/HD/rtl/vhdl_wrapper/clock_monitor_synthesis.v IN

/fpga/OAF/HD/rtl/vhdl_wrapper/clockmonitor_synthesis.v IN

 

Jeff neirgarth