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Top Forums UNIX for Dummies Questions & Answers Need help removing leading spaces from one field in comma seperated file Post 302656939 by Scottie1954 on Friday 15th of June 2012 04:32:16 PM
Old 06-15-2012
My apologies. My original post was not very clear. I don't have any code yet for awk or sed, just a file with multiple lines of data that look like the example below (this is better than my original example):

Code:
 1,  3456-78, 42,05/02/2012,05/12/1984,  1230.00, 4

What I'd like to do is remove leading spaces from every field, if any, while retaining the existing formatting of each field's number. So after some scripting magic the above line should look like:

Code:
1,3456-78,42,05/02/2012,05/12/1984,1230.00,4

Thanks a bunch for your help!
 

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IO::Async::Protocol::LineStream(3pm)			User Contributed Perl Documentation		      IO::Async::Protocol::LineStream(3pm)

NAME
"IO::Async::Protocol::LineStream" - stream-based protocols using lines of text SYNOPSIS
Most likely this class will be subclassed to implement a particular network protocol. package Net::Async::HelloWorld; use strict; use warnings; use base qw( IO::Async::Protocol::LineStream ); sub on_read_line { my $self = shift; my ( $line ) = @_; if( $line =~ m/^HELLO (.*)/ ) { my $name = $1; $self->invoke_event( on_hello => $name ); } } sub send_hello { my $self = shift; my ( $name ) = @_; $self->write_line( "HELLO $name" ); } This small example elides such details as error handling, which a real protocol implementation would be likely to contain. DESCRIPTION
EVENTS
The following events are invoked, either using subclass methods or CODE references in parameters: on_read_line $line Invoked when a new complete line of input is received. PARAMETERS
The following named parameters may be passed to "new" or "configure": on_read_line => CODE CODE reference for the "on_read_line" event. METHODS
$lineprotocol->write_line( $text ) Writes a line of text to the transport stream. The text will have the end-of-line marker appended to it; $text should not end with it. AUTHOR
Paul Evans <leonerd@leonerd.org.uk> perl v5.14.2 2012-10-24 IO::Async::Protocol::LineStream(3pm)
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