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Top Forums Shell Programming and Scripting Trim sed output & assign to variable Post 302779375 by sai2013 on Tuesday 12th of March 2013 02:59:08 PM
Old 03-12-2013
Trim sed output & assign to variable

Hi, I have the following command that parses an xml file to read a node <port>'s value. Hoever the output comes with spaces.

My requirement is to trim the spaces around the value and assign to a variable.

Code:
 
sed -n 's|<port>\(.*\)</port>|\1|p' ../cfg.xml

How do I go about it?
 

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STAG-PARSE(1p)						User Contributed Perl Documentation					    STAG-PARSE(1p)

NAME
stag-parse - parses a file and fires events (e.g. sxpr to xml) SYNOPSIS
# convert XML to IText stag-parse -p xml -w itext file1.xml file2.xml # use a custom parser/generator and a custom writer/generator stag-parse -p MyMod::MyParser -w MyMod::MyWriter file.txt DESCRIPTION
script wrapper for the Data::Stag modules feeds in files into a parser object that generates nestarray events, and feeds the events into a handler/writer class ARGUMENTS
-p|parser FORMAT FORMAT is one of xml, sxpr or itext, or the name of a perl module this is the class that parsers the input file(s) and generates stag events xml assumed as default -w|writer FORMAT FORMAT is one of xml, sxpr or itext, or the name of a perl module this is the class that catches the events thrown by the parser; it can be any class, but the class is typically a writer xml assumed as default -o|out FILE the writer will use this file (defaults to STDOUT) -e|errf FILE file to store parse error handler output -errhandler FORMAT/MODULE FORMAT is one of xml, sxpr or itext, or the name of a perl module all parse error events go to this module -r|root NODE_NAME if this is specified, NODE_NAME becomes the root of the stag tree, and anything that was previously the root is placed below this. this happens automatically if more than one file is parsed (because there can only be one tree root) -color Works only if the output handler is able to provide ASCII-colors (currently supported for itext and xml) SEE ALSO
Data::Stag This script is a wrapper for the method Data::Stag->parse() perl v5.10.0 2008-12-23 STAG-PARSE(1p)
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