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Full Discussion: Insert a hyphen between two delimiters using sed
Top Forums Shell Programming and Scripting Insert a hyphen between two delimiters using sed Post 302975893 by MadeInGermany on Tuesday 21st of June 2016 12:32:08 AM
Old 06-21-2016
Many Unix sed have parser bugs with semicolon.
I recommend multi-line
Code:
sed '
:L
s/||/|-|/g
tL
' file

Or at least multi -e (less readable, but a must with t/csh that is not multi-line capable)
Code:
sed -e ':L' -e 's/||/|-|/g;tL' file

This User Gave Thanks to MadeInGermany For This Post:
prohank
 

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LEARN ABOUT V7

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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