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Top Forums Shell Programming and Scripting Print smallest negative number with corresponding index from a column Post 302769949 by Birda on Thursday 14th of February 2013 03:08:33 AM
Old 02-14-2013
Print smallest negative number with corresponding index from a column

considering the following table:
Code:
ID          col1            col2                 col3               col4
1    -16.06801249     13.49785832   -56.57087607      -27.00500526
2     -1.53315720      0.71731735    -42.03602078      -39.78554623
3     -1.53315190      0.71731587    -42.03601548      -39.78554771
4     -1.53316243      0.8731724    -42.53602760        -39.85545910 
5     -16.  6533188    13.7606723    -42.03605186      -27.06753555

how to print (using sed or awk or ...): the smallest negative number from col4 that has value less than 1.0 in col2 (like 0.71731735, 0.8731724, etc but not 13.49785832 or 13.7606723)
expected result looks like:

Code:
ID          col2                    col4                 
2           0.71731735         -39.78554623

I appreciate for any idea Smilie
Birda

Last edited by Scrutinizer; 02-14-2013 at 04:09 AM.. Reason: code tags
 

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Text::FormatTable(3pm)					User Contributed Perl Documentation				    Text::FormatTable(3pm)

NAME
Text::FormatTable - Format text tables SYNOPSIS
my $table = Text::FormatTable->new('r|l'); $table->head('a', 'b'); $table->rule('='); $table->row('c', 'd'); print $table->render(20); DESCRIPTION
Text::FormatTable renders simple tables as text. You pass to the constructor (new) a table format specification similar to LaTeX (e.g. "r|l|5l|R|20L") and you call methods to fill the table data and insert rules. After the data is filled, you call the render method and the table gets formatted as text. Methods: new($format) Create a Text::FormatTable object, the format of each column is specified as a character of the $format string. The following formats are defined: l Left-justified top aligned word-wrapped text. L Left-justified bottom aligned word-wrapped text. r Right-justified top aligned word-wrapped text. R Right-justified bottom aligned word-wrapped text. 10R, 20r, 15L, 12l, Number is fixed width of the column. Justified and aligned word-wrapped text (see above). ' ' A space. | Column separator. head($col1, $col2, ...) Add a header row using $col1, $col2, etc. as cell contents. Note that, at the moment, header rows are treated like normal rows. row($col1, $col2, ...) Add a row with $col1, $col2, etc. as cell contents. rule([$char]) Add an horizontal rule. If $char is specified it will be used as character to draw the rule, otherwise '-' will be used. render([$screen_width]) Return the rendered table formatted with $screen_width or 79 if it is not specified. SEE ALSO
Text::ASCIITable COPYRIGHT
Copyright (c) 2001-2004 Swiss Federal Institute of Technology, Zurich. (c) 2009 Trey Harris All Rights Reserved. This module is free software; you can redistribute it and/or modify it under the same terms as Perl itself. CODE REPOSITORY
Git - http://github.com/treyharris/Text-FormatTable/tree/master AUTHOR
David Schweikert <dws@ee.ethz.ch> Maintained by Trey Harris <treyharris@gmail.com> Fixed column width and bottom alignment written by Veselin Slavov <vslavov@creditreform.bg> perl v5.10.0 2009-07-24 Text::FormatTable(3pm)
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