DESCRIPTION
	$script - A tool that create, audit and update connection file.

USAGE
	$script <dir> [option]

OPTION
	Required:
	<dir> 						This is the conn/ directory in your workarea

	Optional:
	-excel	<.xlsx or .xls conn file>		connection file as input
	-v	<verilog file>				verilog file as input
	-module	<verilog module name>			module name in the verilog file
	-sheet	<excel sheet name>			sheet name in the connection file
	-show	<sheet>					aids to show a preview of sheet names
	-audit	<port|type>				enables audit preference
	-update						enables connection file update based from the verilog file reference
	-h|help						display help

EXAMPLES
	 ##sample1 : invoked tool without arguments, automatically search for excel and verilog files in PWD
	  $tool
	 
	 ##sample2 : with -dir argument, automatically search for excel and verilog files
	  $tool -dir $dir
	 
	 ##sample3 : will accept hard input excel file while verilog remains automatically searched
	  $tool -excel $snowx1
	 
SCOPE AND LIMITATIONS
	1. Supports connection file audit for different projects and different directories.