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Top Forums UNIX for Dummies Questions & Answers sed Exact Match when Dot is present Post 302938784 by Don Cragun on Thursday 19th of March 2015 01:27:20 AM
Old 03-19-2015
Quote:
Originally Posted by Scrutinizer
Or try awk:
Code:
awk -v s="Bottle" '{for(i=1; i<=NF; i++) if($i==s) $i=""}1'

... ... ...
Note, however, adjacent spaces in the input will be coalesced to a single space by the above command. For instance.
Code:
echo 'Bottle rocket.  Bottled juices.  Bottled beer.' | awk -v s="Bottle" '{for(i=1; i<=NF; i++) if($i==s) $i=""}1'

produces:
Code:
 rocket. Bottled juices. Bottled beer.

removing one space after the first two periods in the input string.

It isn't clear from the skimpy description of the desired results in this thread whether or not this is allowable. But, the request was for sed solutions only...
 

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English(3pm)						 Perl Programmers Reference Guide					      English(3pm)

NAME
English - use nice English (or awk) names for ugly punctuation variables SYNOPSIS
use English; use English qw( -no_match_vars ) ; # Avoids regex performance penalty # in perl 5.16 and earlier ... if ($ERRNO =~ /denied/) { ... } DESCRIPTION
This module provides aliases for the built-in variables whose names no one seems to like to read. Variables with side-effects which get triggered just by accessing them (like $0) will still be affected. For those variables that have an awk version, both long and short English alternatives are provided. For example, the $/ variable can be referred to either $RS or $INPUT_RECORD_SEPARATOR if you are using the English module. See perlvar for a complete list of these. PERFORMANCE
NOTE: This was fixed in perl 5.20. Mentioning these three variables no longer makes a speed difference. This section still applies if your code is to run on perl 5.18 or earlier. This module can provoke sizeable inefficiencies for regular expressions, due to unfortunate implementation details. If performance matters in your application and you don't need $PREMATCH, $MATCH, or $POSTMATCH, try doing use English qw( -no_match_vars ) ; . It is especially important to do this in modules to avoid penalizing all applications which use them. perl v5.18.2 2014-01-06 English(3pm)
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