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Top Forums Shell Programming and Scripting sed on an environment variable ? Post 302151439 by lumix on Saturday 15th of December 2007 11:42:47 AM
Old 12-15-2007
sed on an environment variable ?

Can I sed on an environment variable, even if I don't need to actually change said (hah, hah) variable? Something like:

sed s/xyz/abc/g $myvar

Then if I did need to change $myvar I could maybe do:

$myvar=`sed s/xyz/abc/g $myvar`
 

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Template::Plugin::YAML(3pm)				User Contributed Perl Documentation			       Template::Plugin::YAML(3pm)

NAME
Template::Plugin::YAML - Plugin interface to YAML SYNOPSIS
[% USE YAML %] [% YAML.dump(variable) %] [% YAML.dump_html(variable) %] [% value = YAML.undump(yaml_string) %] [% YAML.dumpfile(filename, variable) %] [% value = YAML.undumpfile(filename) %] DESCRIPTION
This is a simple Template Toolkit Plugin Interface to the YAML module. A YAML object will be instantiated via the following directive: [% USE YAML %] As a standard plugin, you can also specify its name in lower case: [% USE yaml %] METHODS
These are the methods supported by the YAML object. dump( @variables ) Generates a raw text dump of the data structure(s) passed [% USE Dumper %] [% yaml.dump(myvar) %] [% yaml.dump(myvar, yourvar) %] dump_html( @variables ) Generates a dump of the data structures, as per "dump", but with the characters <, > and & converted to their equivalent HTML entities, spaces converted to &nbsp; and newlines converted to <br>. [% USE yaml %] [% yaml.dump_html(myvar) %] undump( $string ) Converts a YAML-encoded string into the equivalent data structure. Here's a way to deep-copy a complex structure by completely serializing the data. [% USE yaml; yaml_string = yaml.dump(complex_data_structure); complex_copy = yaml.undump(yaml_string); %] dumpfile( $file, @variables ) Converts the data to YAML encoding, and dumps it to the specified filepath. [% USE yaml; yaml.dumpfile(".storage", my_data) %] undumpfile( $file ) Loads the YAML-encoded data from the specified filepath [% USE yaml; my_data = yaml.undumpfile(".storage") %] AUTHORS
Richard Clamp <richardc@unixbeard.net>, with undump, undumpfile, and dumpfile implementation by Randal L. Schwartz <merlyn@stonehenge.com> based on Simon Matthews' Template::Plugin::Dumper COPYRIGHT
Copyright 2003, 2008 Richard Clamp All Rights Reserved. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
Template::Plugin::Dumper perl v5.10.0 2008-12-15 Template::Plugin::YAML(3pm)
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