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UNIX for Dummies Questions & Answers
Values with common field in same line with awk
Post 302808087 by beca123456 on Thursday 16th of May 2013 12:56:51 AM
05-16-2013
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hi, i have an awk script and I managed to figure out how to search the max value but Im having difficulty in searching for the min field value.
BEGIN {FS=","; max=0}
NF == 7 {if (max < $6) max = $6;}
END { print man, min}
where $6 is the column of a field separated by a comma (3 Replies)
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file1:
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....
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Hi,
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Hi,
I am using UBUNTU 12.04.
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Hello there,
I have a file with few fields separated by ":". I wrote a below awk to manipulate this file:
awk 'BEGIN { FS=OFS=":" }\
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Input:
A|1
B|2
C|3
D|4
Output:
A+B|3
A+C|4
A+D|5
B+C|5
B+D|6
C+D|7
A+B+C|6
A+B+D|7
A+C+D|8
B+C+D|9
A+B+C+D|10
I only managed to get the output for pairs of $1 values (i.e. combination of length 2): (4 Replies)
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Hi Friends,
Below is my input file with "|" (pipe) as filed delimiter:
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A beginner one.
my input.tab (tab-separated):
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item5 grpA 9 1 customer2
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Hi,
Let's say I have a pipe-separated input like so:
name_10|A|BCCC|cat_1
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name_11|B|DEEEEEE|cat_4
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LEARN ABOUT SUNOS
ppmdither
ppmdither(1) General Commands Manual ppmdither(1) NAME
ppmdither - ordered dither for color images SYNOPSIS
ppmdither [-dim power] [-red shades] [-green shades] [-blue shades] [ppmfile] DESCRIPTION
Reads a portable pixmap as input, and applies dithering to it to reduce the number of colors used down to the specified number of shades for each primary. The default number of shades is red=5, green=9, blue=5, for a total of 225 colors. To convert the image to a binary rgb format suitable for color printers, use -red 2 -green 2 -blue 2. OPTIONS
-dim power The size of the dithering matrix. The dithering matrix is a square whose dimension is a power of 2. power is that power of 2. The default is 4, for a 16 by 16 matrix. -red shades The number of red shades to be used, including black; minimum of 2. -green shades The number of green shades to be used, including black; minimum of 2. -blue shades The number of blue shades to be used, including black; minimum of 2. SEE ALSO
pnmdepth(1), ppmquant(1), ppm(5) AUTHOR
Copyright (C) 1991 by Christos Zoulas. 14 July 1991 ppmdither(1)