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course 2.1.2.4

Level: intermediate
2.1.2.4.2
More Happy UNIX Friends
Sort, join and agrep have a lot to offer.
session 2/4 | Data Mining and Analysis at the Command Line | Martin K

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1 | perl fundamentals

2 | shell and prompt tools

3 | web development

4 | CPAN Modules

5 | Ruby

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Code
More Happy UNIX Friends
More Happy UNIX Friends
Martin Krzywinski

#!/usr/local/bin/perl

use strict;
$\ = "\n";
$, = " " ;

my $text = join(" ", map { "rhubarb" } (0..2));

if($0 =~ /in/) {
    while(<STDIN>) {
	chomp;
	print "[from stdin] $_";
    }
    while(<STDERR>) {
	chomp;
	print "[from stderr] $_";
    }
} else {
    print STDOUT "[to stdout]",$text;
    print STDERR "[to stderr]",$text;
}

2 | More Happy UNIX Friends | 2.1.2.4.2

2.1.2.4.2.c1 | dumpout | Martin Krzywinski | code
2.1.2.4.2.c2 | readin | Martin Krzywinski | code
2.1.2.4.2.c3 | c.txt | Martin Krzywinski | code
2.1.2.4.2.c4 | colors.txt | Martin Krzywinski | code
2.1.2.4.2.c5 | forsort.txt | Martin Krzywinski | code
2.1.2.4.2.c6 | makesort | Martin Krzywinski | code
2.1.2.4.2.c7 | nummax.txt | Martin Krzywinski | code
2.1.2.4.2.c8 | nummin.txt | Martin Krzywinski | code
2.1.2.4.2.c9 | redir | Martin Krzywinski | code
2.1.2.4.2.c10 | sounds.txt | Martin Krzywinski | code
2.1.2.4.2.c11 | t.tgz | Martin Krzywinski | code
2.1.2.4.2.c12 | test.txt | Martin Krzywinski | code
2.1.2.4.2.c13 | text.txt | Martin Krzywinski | code
2.1.2.4.2.c14 | tmp.1 | Martin Krzywinski | code
2.1.2.4.2.a1 | More Happy UNIX Friends | Martin Krzywinski | pdf
2.1.2.4.2.p1 | More Happy UNIX Friends | Martin Krzywinski | ppt
2.1.2.4.2.s1 | More Happy UNIX Friends | Martin Krzywinski | slides