| -h | --help | Print help and exit 
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| -V | --version | Print version and exit 
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| -c FILENAME | --conf=FILENAME | Set the configuration file 
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| -p PREFIX | --pre-subject=PREFIX | The prefix of the subject 
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| -D DIRECTORY | --directory=DIRECTORY | The checkurl's home directory 
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| -R RECIPIENTS | --recipients=RECIPIENTS | The recipients 
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| -H | --html2text | Convert to plain text 
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| -d FLAGS | --diff-flags=FLAGS | Options for diff 
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| -w FLAGS | --wget-flags=FLAGS | Options for wget 
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| -P PROGRAM | --html2text-program=PROGRAM | html2text program. 
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| -g FLAGS | --html2text-flags=FLAGS | Options for the converter 
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| -a | --additions | Get only the additions. 
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| -A | --not-additions | Do not get additions. 
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| -s | --subtractions | Get only the subtractions. 
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| -S | --not-subtractions | Do not get subtractions. 
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| -m | --min-lines | Don't send the diff if it's shorter than LINES. 
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| -M | --max-lines | Don't send the diff if it's longer than LINES. 
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| -v | --verbose | Run in verbose mode 
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