[pvrusb2] [PATCH] change-channel.sh

[roger]

The added features within the attached patch:
1) Show current channel for each attached pvrusb2 device. (ie.
change-channel.sh c)
2) Increment or decrement current channel for each pvrusb2 device. (ie.
change-channel.sh + or -)

Modifications:
1) I've also provided more detailed when -h is used.
2) Some other minor syntax corrections were made while trying to
preserve original code & syntax.  (Unless somebody knows of a good
sh/bash style checker???)

Seems to be well tested by me.  Just hope the changes held up after
using diff. (Sigh, the missed miracles of SVN! ;-)

--
Roger
http://www.eskimo.com/~roger/index.html
Key fingerprint = 8977 A252 2623 F567 70CD 1261 640F C963 1005 1D61

Thu Nov 8 14:23:35 AKST 2007
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