05-16-2013
Thank you vidyadhar85 for your help !
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1. UNIX for Dummies Questions & Answers
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)
Discussion started by: Kirichiko
3 Replies
2. Shell Programming and Scripting
hi,
i am facing a problem in merging two files using awk,
the problem is as stated below,
file1:
A|B|C|D|E|F|G|H|I|1
M|N|O|P|Q|R|S|T|U|2
AA|BB|CC|DD|EE|FF|GG|HH|II|1
....
....
....
file2 :
1|Mn|op|qr (2 Replies)
Discussion started by: shashi1982
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3. Shell Programming and Scripting
Hello everybody,
I'm trying to count the number of consecutive lines in a text file which have two distinctive column field values. These lines may appear in several line blocks within the file, but I only want a single block to be counted.
This was my first approach to tackle the problem (I'm... (6 Replies)
Discussion started by: origamisven
6 Replies
4. Shell Programming and Scripting
Hi,
Here is my sample input
X 2 AAA
Y 3 BBB
Y 2 CCC
Z 4 DDD
In field 1, if the value of one line is same as that of next line, I want to concatenate the corresponding value of the second line in the third field with the value of the third field of first line. And I dont need the third... (2 Replies)
Discussion started by: polsum
2 Replies
5. Shell Programming and Scripting
Hi,
I am using UBUNTU 12.04.
I have a dataset as follows:
Column#1 Column#2 Column#3 .... Column#50
1 154878
1 145145
2 189565
2 454121
... (5 Replies)
Discussion started by: Homa
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6. Shell Programming and Scripting
Hello there,
I have a file with few fields separated by ":". I wrote a below awk to manipulate this file:
awk 'BEGIN { FS=OFS=":" }\
NR != 1 && $2 !~ /^98/ && $8 !~ /^6/{print $0}' $in_file > $out_file
What I wanted was that if $8 field contains any of the values - 6100, 6110, 6200 -... (2 Replies)
Discussion started by: juzz4fun
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7. UNIX for Dummies Questions & Answers
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)
Discussion started by: beca123456
4 Replies
8. Shell Programming and Scripting
Hi Friends,
Below is my input file with "|" (pipe) as filed delimiter:
My Input File:
HDR|F1|F2||||F6|F7
I want to inser values in the record for field 4 and field 5.
Expected output
HDR|F1|F2||F4|F5|F6|F7
I am able to append the string to the end of the record, but not in between the... (3 Replies)
Discussion started by: Ajay Venkatesan
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9. UNIX for Beginners Questions & Answers
Hi,
A beginner one.
my input.tab (tab-separated):
h1 h2 h3 h4 h5
item1 grpA 2 3 customer1
item2 grpB 4 6 customer1
item3 grpA 5 9 customer1
item4 grpA 0 0 customer2
item5 grpA 9 1 customer2
objective:
output a file for each customer ($5) with the item number ($1) only if $2 matches... (2 Replies)
Discussion started by: beca123456
2 Replies
10. UNIX for Beginners Questions & Answers
Hi,
Let's say I have a pipe-separated input like so:
name_10|A|BCCC|cat_1
name_11|B|DE|cat_2
name_10|A|BC|cat_3
name_11|B|DEEEEEE|cat_4
Using awk, for records with common field 2, I am trying to replace all the shortest substrings by the longest string in field 3.
In order to get the... (5 Replies)
Discussion started by: beca123456
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LEARN ABOUT DEBIAN
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)