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dp(8) System Manager's Manual dp(8) NAME dp - parse dates RFC 822-style SYNOPSIS /usr/lib/mh/dp [ -form file ] [ -format string ] [ -help ] [ -width columns ] dates DESCRIPTION The dp command 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 MH will interpret a date. The dp program treats each argument as a single date, and prints the date out in the official RFC 822 format. Hence, it is usually best to enclose each argument in double quotes (") for the shell. FLAGS -form file Overrides the default output format of dp. The output is formatted according to the instructions in the specified file. This must be a format file; see mh-format(4). -format string Overrides the default output format of dp. The output is formatted according to the instructions in the specified string. This must be a format string; see mh-format(4). The argument to the -format option must be interpreted as a single token by the shell that invokes dp. Therefore, you should usually place the argument to this option inside dou- ble quotes ("). -help Prints a list of the valid options to this command. -width columns Specifies the width of the screen in columns. The defaults for this command are as follows: -width defaults to the width of the terminal EXAMPLES This is the default format string used by dp: %<(nodate{text})error: %{text}%|%(pretty{text})%> When an error is detected, this prints error: and the date that is in error. Otherwise, it outputs the proper RFC 822 format of the date. FILES $HOME/.mh_profile User profile. RELATED INFORMATION ap(8) Standard for the Format of ARPA Internet Text Messages (RFC 822) delim off dp(8)