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Full Discussion: Sed replace using same pattern repeating multiple times in a line
Top Forums Shell Programming and Scripting Sed replace using same pattern repeating multiple times in a line Post 302715963 by agama on Monday 15th of October 2012 08:15:14 PM
Old 10-15-2012
You're falling victim to the greedy match. Have a go with this:

Code:
echo "/*<tagz>*/${tagz}.unix some random text and /*<tag1>*/${tag}.unix" | sed -E 's!\*<([^>]*)>[^.]*\.!*<\1>*/${\1}.!g'

Only tried it on your sample and one other contrived example, so it might not be perfect. I also prefer using -E to avoid escaping parens which just make it messy. If you are using a BSD based sed it'll be a different (-r or -R, I cannot remember and my BSD box isn't up right now).
Last edited by agama; 10-15-2012 at 09:19 PM.. Reason: small tweek to ensure *< and not just <tag
 

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LEARN ABOUT NETBSD

column

COLUMN(1)						    BSD General Commands Manual 						 COLUMN(1)

NAME

     column -- columnate lists

SYNOPSIS

     column [-tx] [-c columns] [-s sep] [file ...]

DESCRIPTION

     The column utility formats its input into multiple columns.  Rows are filled before columns.  Input is taken from file operands, or, by
     default, from the standard input.	Empty lines are ignored.

     The options are as follows:

     -c      Output is formatted for a display columns wide.

     -s      Specify a set of characters to be used to delimit columns for the -t option.

     -t      Determine the number of columns the input contains and create a table.  Columns are delimited with whitespace, by default, or with
	     the characters supplied using the -s option.  Useful for pretty-printing displays.

     -x      Fill columns before filling rows.

     column exits 0 on success, >0 if an error occurred.

ENVIRONMENT

     COLUMNS  The environment variable COLUMNS is used to determine the size of the screen if no other information is available.

EXAMPLES

	   (echo "PERM LINKS OWNER GROUP SIZE MONTH DAY HH:MM/YEAR NAME"; 
	   ls -l | sed 1d) | column -t

SEE ALSO

     colrm(1), ls(1), paste(1), sort(1)

HISTORY

     The column command appeared in 4.3BSD-Reno.

BSD
								   March 9, 2008							       BSD
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