CLI Magic: Is that CD still fresh?
Ever wonder if that ISO or backup CD or DVD you burned last year is still good? This week we'll take a look at a small command-line utility called cdck that checks the condition of data on the media and let you know if it's still good.
User Level: Intermediate
Grab the latest cdck tarball -- 0.5.1 at this writing -- from the author's Web site, decompress it, enter the resulting subdirectory, and chant the magic chant:
./configure
make
make install
Using cdck is a little more difficult than building it, at least at first. I didn't find any documentation in the tarball, and make install didn't add any man pages for help. But this is free software, and the source code is right there in front of us. A quick look at code from main.cpp shows, among other things, that an argument of -h should produce some kind of help. Let's give that a try:
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today's howtos
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-h or --help
Jeez, I thought everyone knew to try -h or --help for any command to get help. 99% of the time it does help.
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You talk the talk, but do you waddle the waddle?