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( #3333=superdoc: print w/ replies, xml ) Need Help??
Using this data (file 1 and file 2):
ID1 50 ID2 60 ID3 100
ID1 20 ID2 100 ID3 10
I got the results:
C:\Old_Data\perlp>perl o44.txt o55.txt ID1 50 20 ID2 60 100 ID3 100 10 C:\Old_Data\perlp>
The code is:
#!/usr/bin/perl use strict; use warnings; my %data; while (<>) { # reads 2 files from @ARGV - filenames are on the command + line my ($id, $val) = split; push @{ $data{$id} }, $val; } for my $id (sort keys %data) { print join("\t", $id, @{ $data{$id} }), "\n"; }

In reply to Re: Join files using perl by Cristoforo
in thread Join files using perl by linseyr

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