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Top Forums Shell Programming and Scripting Using SED to generate new file from template Post 302337829 by ppucci on Saturday 25th of July 2009 04:32:41 PM
Old 07-25-2009
Using SED to generate new file from template

Hi there!

I am using a BASH script to read a CSV file (containing variable values)using while read, and for every record I want SED to get a template from a file, and using the variables read from the CSV, write a new file.

Code:
#!/bin/bash
current_ifs=$IFS ; #backup original IFS, need "," for thw CSV file
IFS=,
while read VAR1 VAR2 VAR3 FILENAME; do
 sed -n -e 's/VAR1/$VAR1/g'\
 -e 's/VAR2/$VAR2/g'\
 -e 's/VAR3/$VAR3/g'\
 TEMPLATE w $FILENAME 
done < $CSV
IFS=$current_ifs; #redefines original IFS
exit

But it looks like I am missing something. TEMPLATE is on the same folder, new file can go to any folder (would be nice to set it)

Help anyone?
 

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Text::CSV::Encoded::Coder::Base(3pm)			User Contributed Perl Documentation		      Text::CSV::Encoded::Coder::Base(3pm)

NAME
Text::CSV::Encoded::Coder::Base - Interface for Text::CSV::Encoded coder base class SYNOPSIS
package Text::CSV::Encoded::Coder::YourCoder; use base qw( Text::CSV::Encoded::Coder::Base ); sub decode { ... } sub encode { ... } sub upgrade { ... } sub decode_fields_ref { ... } sub encode_fields_ref { ... } DESCRIPTION
This module is used by Text::CSV::Encoded internally. INTERFACS
decode ( $self, $encoding, $str ) = @_; .... return $decoded_str; Takes an encoding and a CSV string. It must return a Perl string decoded in $encoding. In Perl 5.8 or later, if $enc is "undef" or false, the encoding should be utf8. encode ( $self, $encoding, $str ) = @_; .... return $encoded_str; Takes an encoding and a Perl string. It must return a CSV string encoded in $encoding. In Perl 5.8 or later, if $enc is "undef" or false, the encoding should be utf8. decode_fields_ref ( $self, $encoding, $arrayref ) = @_; Takes an encoding and an array reference. It must decoded each array entries in $encoding. encode_fields_ref ( $self, $encoding, $arrayref ) = @_; Takes an encoding and an array reference. It must encoded each array entries in $encoding. upgrade ( $self, $str ) = @_; In Perl 5.8 or later, it is expected to do "utf8::upgrade" against $str. In older versions, this method may be meaningless and there is no need to implement. See to utf8. encode_check_value Setter/Getter for an argument passing to encode. $coder->encode_check_value( Encode::FB_PERLQQ ); decode_check_value Setter/Getter for an argument passing to decode. $coder->encode_check_value( Encode::FB_PERLQQ ); EXAMPLE
Use with Jcode. package Text::CSV::Encoded::Coder::Jcode; use strict; use base qw( Text::CSV::Encoded::Coder::Base ); use Jcode (); my $Jcode = Jcode->new; my %alias = ( 'shiftjis' => 'sjis', 'euc-jp' => 'euc', 'sjis' => 'sjis', 'euc' => 'euc', ); sub decode { my ( $self, $encoding, $str ) = @_; my $enc = $alias{ $encoding }; $Jcode->set( $str, $enc )->euc; } sub encode { my ( $self, $encoding, $str ) = @_; my $enc = $alias{ $encoding }; $Jcode->set( $str, 'euc' )->$enc(); } sub decode_fields_ref { my ( $self, $encoding, $arrayref ) = @_; my $enc = $alias{ $encoding }; for ( @$arrayref ) { $_ = $Jcode->set( $_, $enc )->euc; } } sub encode_fields_ref { my ( $self, $encoding, $arrayref ) = @_; my $enc = $alias{ $encoding }; for ( @$arrayref ) { $_ = $Jcode->set( $_, 'euc' )->$enc(); } } AUTHOR
Makamaka Hannyaharamitu, <makamaka[at]cpan.org> COPYRIGHT AND LICENSE
Copyright 2008-2010 by Makamaka Hannyaharamitu This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.14.2 2010-04-26 Text::CSV::Encoded::Coder::Base(3pm)
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