[Patch] regtool: Add load/unload commands and --binary option

Igor Peshansky pechtcha@cs.nyu.edu
Wed Jan 25 23:02:00 GMT 2006


On Wed, 25 Jan 2006, Brian Dessent wrote:

> Christian Franke wrote:
>
> > At least when regtool is used interactively, it is IMO not very useful
> > to have modem-line-noise-like output for REG_BINARY, but human
> > readable output for the other value types. But this is the current
> > behavior of "regtool get ...".
>
> Instead of an explicit -b flag, perhaps it should just call isatty() and
> if being run interactively, output human readable hex dump, otherwise
> output raw binary.

What if you want to redirect the hex dump to a file?  IMO, isatty() checks
are only useful if the output won't change qualitatively on redirection
(e.g., for coloring).  Otherwise, it's always better to use an explicit
flag.

That said, attempting to "regtool get" a binary value is no different from
attempting to cat a binary file -- and we're not changing "cat" to output
hex dumps.  What would be useful instead is a way to query the type of a
value via regtool.  We could also add a "-h" (for --human-readable) flag
to always output the value in human-readable form (see below).

FWIW, 'A=`regtool get KEY1\\VAL`; regtool set KEY2\\VAL "$A"' will already
break for REG_MULTI_SZ type values.  It would be good to make regtool's
behavior consistent: "regtool set -f FILE" reads the value from FILE,
which would work for all value types.
	Igor
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