searching a date and replacing with another date

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LEARN ABOUT ULTRIX

dp

dp(8mh) 																   dp(8mh)

Name
       dp - parse dates RFC 822-style

Syntax
       /usr/lib/mh/dp [ -form file ] [ -format string ] [ -help ] [ -width columns ] dates

Description
       The 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 It is useful for seeing how MH will interpret a date.

       The 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.

Options
       -form file
		 Overrides the default output format of The output is formatted according to the instructions in the specified file.  This must be
		 a format file; see

       -format string
		 Overrides the default output format of The output is formatted according to the instructions in the specified string.	This  must
		 be a format string; see

		 The  argument to the -format option must be interpreted as a single token by the shell that invokes Therefore, you should usually
		 place the argument to this option inside double 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
       %<(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
       User profile.

See Also
       ap(8mh)
       Standard for the Format of ARPA Internet Text Messages (RFC 822)

																	   dp(8mh)

Shell Programming and Scripting