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mmh-dp(8mh)

MH.6.8
2019-01-06

mmh

set of electronic mail handling programs

NAME

dp - parse dates 822-style

SYNOPSIS

/usr/lib/mmh/dp [-form formatfile] [-Version] [-help] dates ...

DESCRIPTION

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.

FILES

^$HOME/.mmh/profile~^The user profile

PROFILE COMPONENTS

None

SEE ALSO

ap(8), Standard for the Format of ARPA Internet Text Messages (RFC-822)

DEFAULTS

-form’ default as described above

CONTEXT

None
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