SYNOPSIS
gt scriptfilter [option ...] [script file(s)]
DESCRIPTION
-showinfo [yes|no]
- show information about filter (default: yes)
-validate [yes|no]
- validate filter function (default: yes)
-oneline [yes|no]
- show compact information on one line (default: no)
-scriptname [yes|no]
- show script name (default: yes)
-help
- display help and exit
-version
- display version information and exit