[Voyage-linux] PATCH: command line processing for voyage.update

[Christian Recktenwald]

Hi,

I added some code also allowing voyage.update to
be run unattended which really helps if one
has to set up a bunch of alix (or other) boxes.

So it may be called this way:

cd voyage-current
./usr/local/sbin/voyage.update  -i  -P ALIX -t /dev/sdc -p 1 -m /mnt/cf -b 1 -g -s 9600 -c serial -d .

and everything's fine.

Comments are welcome.

-Chris

-- 
LiHAS - Adrian Reyer - Krehlstra??e 1 - D-70563 Stuttgart
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voyage.update : 
	added support for "-i" (install) and "-u" (update) command line options

	changed $OPTIONS to reflect the modified behaviour of ask_setting()

script-utils.sh : 
	changed format of the OPTIONS variable in ask_setting()

	now there are two layers cascaded:
	the options separated by "%" (as they used to be) 
	are now divided by ":" into a number displayed on the dialog menue,
	the discriptive text and a flag string indicating if the
	option should be displayed at all

	the separation of the individual "option" is done by 
	split_ask_setting_option() which returns $saso_nr, $saso_desc, $saso_cla

voyage-install.sh :
	added usage() for displaying help

	added doopt() as command line interpreter
	changed $OPTIONS to reflect the modified behaviour of ask_setting()