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Top Forums UNIX for Dummies Questions & Answers add (append) a column in a tab delimited file Post 302592085 by balajesuri on Sunday 22nd of January 2012 07:01:58 PM
Old 01-22-2012
Code:
$ cat input
test1    test2    test3
11    22    33
22    23    66
99    24    44
12    25    34
11    23    67
$
$ sed '1s/$/\tnewCol/; 2,$s/$/\t*/' input
test1    test2    test3    newCol
11    22    33    *
22    23    66    *
99    24    44    *
12    25    34    *
11    23    67    *
$
$

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CGI::FormBuilder::Source::YAML(3pm)			User Contributed Perl Documentation		       CGI::FormBuilder::Source::YAML(3pm)

NAME
CGI::FormBuilder::Source::YAML - Initialize FormBuilder from YAML file SYNOPSIS
use CGI::FormBuilder; my $form = CGI::FormBuilder->new( source => { source => 'form.fb', type => 'YAML', }, ); my $lname = $form->field('lname'); # like normal DESCRIPTION
This reads a YAML (YAML::Syck) file that contains FormBuilder config options and returns a hash to be fed to CGI::FormBuilder->new(). Instead of the syntax read by CGI::FormBuilder::Source::File, it uses YAML syntax as read by YAML::Syck. That means you fully specify the entire data structure. LoadCode is enabled, so you can use YAML syntax for defining subroutines. This is convenient if you have a function that generates valida- tion subrefs, for example, I have one that can check profanity using Regexp::Common. validate: myfield: javascript: /^[sS]{2,50}$/ perl: !!perl/code: >- { My::Funk::fb_perl_validate({ min => 2, max => 50, profanity => 'check' })->(shift); } POST PROCESSING
There are two exceptions to "pure YAML syntax" where this module does some post-processing of the result. REFERENCES (ala CGI::FormBuilder::Source::File) You can specify references as string values that start with &, $, @, or \% in the same way you can with CGI::FormBuilder::Source::File. If you have a full direct package reference, it will look there, otherwise it will traverse up the caller stack and take the first it finds. For example, say your code serves multiple sites, and a menu gets different options depending on the server name requested: # in My::Funk: our $food_options = { www.meats.com => [qw( beef chicken horta fish )], www.veggies.com => [qw( carrot apple quorn radish )], }; # in source file: options: @{ $My::Funk::food_options->{ $ENV{SERVER_NAME} } } EVAL STRINGS You can specify an eval statement. You could achieve the same example a different way: options: eval { $My::Funk::food_options->{ $ENV{SERVER_NAME} }; } The cost either way is about the same -- the string is eval'd. EXAMPLE
method: GET header: 0 title: test name: test action: /test submit: test it linebreaks: 1 required: - test1 - test2 fields: - test1 - test2 - test3 - test4 fieldopts: test1: type: text size: 10 maxlength: 32 test2: type: text size: 10 maxlength: 32 test3: type: radio options: - - 1 - Yes - - 0 - No test4: options: @test4opts sort: &Someother::Package::sortopts validate: test1: /^w{3,10}$/ test2: javascript: EMAIL perl: eq 'test@test.foo' test3: - 0 - 1 test4: @test4opts You get the idea. A bit more whitespace, but it works in a standardized way. METHODS
new() Normally not used directly; it is called from CGI::FormBuilder. Creates the "CGI::FormBuilder::Source::YAML" object. Arguments from the 'source' hash passed to CGI::FormBuilder->new() will become defaults, unless specified in the file. parse($source) Normally not used directly; it is called from CGI::FormBuilder. Parses the specified source file. No fancy params -- just a single file- name is accepted. If the file isn't acceptable to YAML::Syck, I suppose it will die. SEE ALSO
CGI::FormBuilder, CGI::FormBuilder::Source AUTHOR
Copyright (c) 2006 Mark Hedges <hedges@ucsd.edu>. All rights reserved. LICENSE
This module is free software; you may copy it under terms of the Perl license (GNU General Public License or Artistic License.) http://www.opensource.org/licenses/index.html perl v5.8.8 2007-12-09 CGI::FormBuilder::Source::YAML(3pm)
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