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Full Discussion: Getting a string without fixed delimiters
Top Forums Shell Programming and Scripting Getting a string without fixed delimiters Post 302515584 by bombcan1 on Wednesday 20th of April 2011 12:45:09 PM
Old 04-20-2011
Getting a string without fixed delimiters
I have a line of text for example


aaaa bbbb cccc dddd eeee ffffff

I would need to get the cccc however bbbb could be there or not.
So whether bbbb is in the line or not I need cccc.


I was looking at either awk or sed....and trying to start at c and end until the next space.


Also the fields are not all spaced out as example..It varies.
 

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rcvpack

RCVPACK(1)                                                           [nmh-1.5]                                                          RCVPACK(1)

NAME

       rcvpack - append message to file

SYNOPSIS

       /usr/lib/mh/rcvpack file [-mbox] [-mmdf] [-version] [-help]

DESCRIPTION

       The rcvpack program will append a copy of the message to the file listed on its command line.

       If the -mbox switch is given (the default), then the messages are separated using mbox (uucp) style delimiters.  This is the format used by
       most mail clients (elm, mailx, etc.).

       If the -mmdf switch is given, then the messages are separated by mmdf style delimiters.  Each message in the  file  is  separated  by  four
       CTRL-A's and a newline.

       rcvpack will correctly lock and unlock the file to serialize access to the file, when running multiple copies of rcvpack .

       In general, its use is obsoleted by the file action of slocal, although it might still have occasional uses in various shell scripts.

FILES

       /etc/nmh/mts.conf          nmh mts configuration file

SEE ALSO

       rcvdist(1), rcvstore(1), rcvtty(1), slocal(1)

BUGS

       Only two return codes are meaningful, others should be.

MH.6.8                                                             11 June 2012                                                         RCVPACK(1)
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