dp − parse dates 822-style
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/usr/lib/mmh/dp |
[−form formatfile] [−Version] [−help] dates ... |
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 mmh 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 −form file switch is used. This permits individual fields of the address to be extracted with ease. The file is either the name of a format file or a format string directly, if prepended with an equal sign ‘=’. 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/.mmh/profile The user profile
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ap(8), Standard for the Format of ARPA Internet Text Messages (RFC−822)
‘−form’ default as described above
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