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Top Forums Shell Programming and Scripting Remove duplicates from a file Post 302390474 by ahmad.diab on Thursday 28th of January 2010 04:54:14 AM
Old 01-28-2010
another approach in perl:-

Code:
perl -ane ' ! $_{$F[0],$F[1]}++ and print ' infile.txt

perl -ane ' ! $_{$F[0],$F[1]}++ && print '  infile.txt

perl -ane ' print while ! $_{$F[0],$F[1]}++ '  infile.txt

SmilieSmilieSmilie
 

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POD2HTML(1)						 Perl Programmers Reference Guide					       POD2HTML(1)

NAME
pod2html - convert .pod files to .html files SYNOPSIS
pod2html --help --htmlroot=<name> --infile=<name> --outfile=<name> --podpath=<name>:...:<name> --podroot=<name> --recurse --norecurse --verbose --index --noindex --title=<name> DESCRIPTION
Converts files from pod format (see perlpod) to HTML format. ARGUMENTS
pod2html takes the following arguments: help --help Displays the usage message. htmlroot --htmlroot=name Sets the base URL for the HTML files. When cross-references are made, the HTML root is prepended to the URL. infile --infile=name Specify the pod file to convert. Input is taken from STDIN if no infile is specified. outfile --outfile=name Specify the HTML file to create. Output goes to STDOUT if no outfile is specified. podroot --podroot=name Specify the base directory for finding library pods. podpath --podpath=name:...:name Specify which subdirectories of the podroot contain pod files whose HTML converted forms can be linked-to in cross-references. index --index Generate an index at the top of the HTML file (default behaviour). noindex --noindex Do not generate an index at the top of the HTML file. recurse --recurse Recurse into subdirectories specified in podpath (default behaviour). norecurse --norecurse Do not recurse into subdirectories specified in podpath. title --title=title Specify the title of the resulting HTML file. verbose --verbose Display progress messages. AUTHOR
Tom Christiansen, <tchrist@perl.com>. BUGS
See Pod::Html for a list of known bugs in the translator. SEE ALSO
perlpod, Pod::Html COPYRIGHT
This program is distributed under the Artistic License. perl v5.16.2 2013-08-25 POD2HTML(1)
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