supported protocol decoders in the sigrok wiki.
.TP
\fB\-d, \-\-driver\fP <drivername>
-A driver must always be selected (unless doing a global scan). Use the
+Unless doing a global scan, users typically select one of the available
+drivers. This can speedup program start, and can avoid false matches for
+ambiguous configurations. Selecting a driver also allows to pass more
+driver specific options. Use the
.BR "\-L " ( "\-\-list\-supported" ")"
option to get a list of available drivers.
.sp
.B "sigrok\-cli \-\-input\-format csv \-\-show
$
.B "sigrok\-cli \-\-output\-format bits \-\-show
+.sp
+This also works for input files, including optional input format specifications:
+.sp
+ $
+.B "sigrok\-cli \-\-input\-file <file.sr> \-\-show
+ $
+.B "sigrok\-cli \-\-input\-file <file.vcd> \-\-input\-format vcd \-\-show
.TP
.B "\-\-scan"
Scan for devices that can be detected automatically.