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Интерактивная система просмотра системных руководств (man-ов)

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dp (8)
  • >> dp (8) ( Linux man: Команды системного администрирования )


    dp - parse dates 822-style


    /usr/lib/nmh/dp [-form formatfile]
    [-format string] [-width columns] dates ...
    [-version] [-help]  


    Dp is a program that parses dates according to the ARPA Internet standard. It also understands many non-standard formats, such as those produced by TOPS-20 sites and some UNIX sites using ctime(3). It is useful for seeing how nmh will interpret a date.

    The dp program treats each argument as a single date, and prints the date out in the official 822-format. Hence, it is usually best to enclose each argument in double-quotes for the shell.

    To override the output format used by dp, the `-format string' or `-format file' switches are used. This permits individual fields of the address to be extracted with ease. The string is simply a format string and the file is simply a format file. See mh-format(5) for the details.

    Here is the default format string used by dp:

         %<(nodate{text})error: %{text}%|%(putstr(pretty{text}))%>

    which says that if an error was detected, print the error, a `:', and the date in error. Otherwise, output the 822-proper format of the date. ^$HOME/.mh_profile~^The user profile None ap(8)
    Standard for the Format of ARPA Internet Text Messages (RFC-822) `-format' default as described above `-width' default to the width of the terminal None The argument to the `-format' switch must be interpreted as a single token by the shell that invokes dp. Therefore, one must usually place the argument to this switch inside double-quotes.




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