09-24-2008
This smells like a homework question. Assuming that it's not, what are you working on?
Regards
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1. Shell Programming and Scripting
Basically I have to process a text file which has been sorted this way:
John 12
John 13
John 10
John 900
Peter 20
Peter 30
Peter 32
The first column is a name, and the second an arbitrary value, both delimited by a space. How can I sum them up such that it would become:
John 935... (2 Replies)
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2. Homework & Coursework Questions
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
Hi guys, i'm a new guy here, and it's my first time creating a unix script.
can you guys help me out here? i'd... (3 Replies)
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3. Homework & Coursework Questions
1. The problem statement, all variables and given/known data:
Hi guys, i'm a new guy here, and it's my first time creating a unix script.
can you guys help me out here? i'd really appreciate it. :(
Here's my problem:
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a,b,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,aa,bb,cc,dd,ee,ff,gg,hh,ii
a thru ii are digits and strings....
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Can anyone tell me how sum values in each record of a file and append that value to the end? For instance a typical record will be:
FY12,Budget,771100,,,,,,,,,250,-250
I'd like the record to become
FY12,Budget,771100,,,,,,,,,250,-250,0
which can be put into another file.
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I have a file with the following format
AAAAA 1.34B 0.76B 0.00B 0.00B 0.00B 0.00B 0.00B 0.00B 0.00B 0.00B 0.00B 0.00B 0.00B 0.00B 0.90B 0.00B 0.00B 0.46B 0.00B 0.03B 0.00B ... (4 Replies)
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I was just curious about how to sum the total file size of a certain type of file. For instance:
$find . -name "*.aif"
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I'm trying to sum a text file using AWK. Here is an example of the file:
600|3H68| 46
600|3H69| 46
600|3H6F| 290
600|3H6G| 24
600|3HDY| 1
600|3HDY| 3
600|3HE0| 1
600|3HE0| 3
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I have an input file that looks like:
ID1 V1 ID2 V2 P1 P2 P3 P4 ..... n no. of columns
1 1 1 1 1.0000 1.0000 1.0000 1.0000
1 1 1 2 0.9999 0.8888 0.7777 0.6666
1 2 1 1 0.8888 0.7777 0.6666 0.5555
1 2 1 2 0.7777 0.6666 0.5555 0.4444
2 1 1 1 0.6666 0.5555 0.4444 0.3333
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10. Shell Programming and Scripting
input:
chr1 1 2 3
chr1 1 2 4
chr1 2 4 5
chr2 3 6 9
chr2 3 6 10
Code:
awk '{a+=$4}END{for (i in a) print i,a}' input
Output:
chr112 7
chr236 19
chr124 5
Desired output:
chr1 1 2 7
chr2 3 6 19
chr1 2 4 5 (1 Reply)
Discussion started by: jacobs.smith
1 Replies
LEARN ABOUT DEBIAN
getcol
getcol(1) General Commands Manual getcol(1)
Name
getcol - Extract specified columns from an ASCII table file
Synopsis
getcol [-amv][-n num][-r lines][-s num] filename [column number range]
Description
Extract specified columns from an ASCII table file
Options
filename
Name of a ASCII table file. At least one of these must be present for any values to be printed. If it is stdin or STDIN, an ASCII
table is expected as standard input. If there is no input file, standard input is assumed.
@filename
Name of a file containing a list of ASCII table files. If this is present, any other file names on the command line will be
ignored.
field range
Print value of these columns for the number of lines of the table specified by the -n argument after the skippiing the number of
lines specified by the -s argument. A value of 0 causes the entire input line to be printed.
-a Sum all numeric columns selected, printing the sum on the line following the result. Columns with no sum are filled with ___.
(Added in version 2.6.9)
-b Input is bar-separate table file
-c Add count of number of lines in each column at end
-d <number>
Number of decimal places in f.p. output
-e Compute medians of selected columns
-f Print range of values in selected columns
-h Print Starbase tab table header
-i Input is tab-separate table file
-k Print number of columns on first line
-l <number>
Number of lines to add to each line
-m Compute the means of all numeric columns selected, printing the mean on the line following the result (or the line following the sum
if -a is used). Columns with no mean are filled with ___. (Added in version 2.6.9)
-n num Print selected columns for this many lines. If not specified, all lines will be read after the number of lines specified by -s have
been skipped.
-o OR conditions insted of ANDing them
-p Print only sum, mmean, sigma, median, or range, not entries
-r @listfile
-r line range Print columns from the lines specified as either the first nonzero number on each line of the file listfile or the
comma- and hyphen- delimitied range; i.e. 1-5,10-12 will print values from lines 1, 2, 3, 4, 5, 10, 11, and 12. (added in version
2.6.12)
-s num Skip this many line before starting to print values. If not specified, no lines will be skipped.
-t Starbase (tab-separated) table output
-v Print more information about process.
Web Page
http://tdc-www.harvard.edu/software/wcstools/getcol.html
Author
Doug Mink, SAO (dmink@cfa.harvard.edu)
8 November 2001 WCSTools getcol(1)