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Top Forums UNIX for Dummies Questions & Answers HELP Script don't work selecting lowest value!!! Post 302629077 by MetaBolic0 on Tuesday 24th of April 2012 09:32:47 AM
Old 04-24-2012
Quote:
Originally Posted by ygemici
try this Smilie
Code:
# awk '$2~!/^-/{if(NR==1){min2=$2;min=$0;next}{if(min2>$2)min=$0}}END{print min}' infile


Thanks for your reply, in last hour i was try the line you gave me because that line don't get me all files only fews. I'm new in script and after some trys i get this that work:
Code:
awk '{if (NR==1){min2=$2; min=$0;next}{if (min2>$2) min=$0}} END {print min}' infile | awk '{print $1}'

The problem is that there are some files that only have 1 column like this:
Quote:
ZINC03862582_0
ZINC03862582_1
In this case i DON'T whant the line because there are no value and the awk that i use give me always the low line how can i define the awk for only print the 1st column if there is value in the 2nd?

For what i read about awk i think the 1st part in your line
Code:
$2~!/^-/

is for tell to the awk the tipe of the 2nd column right?

About the
Code:
(NR==1)

i know this is "The Number of Records Variable" can you please tell me what this do?

Thanks againSmilie
 

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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+-----------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+-----------------+ |Availability | SUNWgawk | +--------------------+-----------------+ |Interface Stability | Volatile | +--------------------+-----------------+ NOTES
Source for gawk is available on http://opensolaris.org. Free Software Foundation Nov 3 1999 IGAWK(1)
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