Sponsored Content
Top Forums Shell Programming and Scripting AWK way of calculating growth Post 302600057 by rangarasan on Monday 20th of February 2012 02:56:14 AM
Old 02-20-2012
awk

Hi,

Anyway !!!
Try this below code.
Code:
awk '{if ( NR == 1 ){print $0,"0";}else{result=$3-prev;print $0,result;}if( result > 0 ){a[$1] = a[$1] + result;b[$1]=$1;c[$1]=c[$1]+1;}prev=$3;}END{for(i in a){v=a[i];d=c[i];res=v/d;print i,res;}}' Input_File

Cheers,
RangaSmilie
 

10 More Discussions You Might Find Interesting

1. Filesystems, Disks and Memory

calculating disk space for growth

what's the best way to calculate the raw disk space in format. the system is a Solaris system using EMC disks- df -k will give me what's used plus available.Now I need the total disk space that the system is using/assigned. Which means I must inventory the raw disks in format. the system uses... (6 Replies)
Discussion started by: sholiver
6 Replies

2. Shell Programming and Scripting

Calculating totals in AWK

Hello, With the following small script I list the size of documents belonging to a certain user by each time selecting the bytes-field of that file ($7). Now it fills the array with every file it finds so in the end the output of some users contains up to 200.000 numbers. So how can I calculate... (7 Replies)
Discussion started by: Hille
7 Replies

3. Shell Programming and Scripting

reading and calculating no. of occurrence in awk

:confused:Hi, I have got results from my simulation and I did extract the time field from the results file into new file. Then I was trying to calculate no. of occurrence for each set of time. However, I couldn't. For example : 0.2 -- 0.2 -- 0.21016 -- 0.21016 -- 0.21016 -- . . .... (12 Replies)
Discussion started by: ENG_MOHD
12 Replies

4. Shell Programming and Scripting

[Solved] awk calculating between lines

Hey guys, maybe you can help me with this... I want to read input.dat line by line, while doing a simple calculation between the second column value of the current line and the second column value of the next line (like a difference). input is something like this: 0 3.945757 1 ... (1 Reply)
Discussion started by: origamisven
1 Replies

5. Shell Programming and Scripting

Calculating an integer with awk

I would like to extract a number from $0 and calculate if it can be devided by 25. Though the number can also be less then 25 or bigger than 100. How do i extract the number and how can the integer be calculated? String: "all_results">39</span>I am looking for the number between "all_results"> ... (5 Replies)
Discussion started by: sdf
5 Replies

6. Shell Programming and Scripting

Calculating the epoch time from standard time using awk and calculating the duration

Hi All, I have the following time stamp data in 2 columns Date TimeStamp(also with milliseconds) 05/23/2012 08:30:11.250 05/23/2012 08:30:15.500 05/23/2012 08:31.15.500 . . etc From this data I need the following output. 0.00( row1-row1 in seconds) 04.25( row2-row1 in... (5 Replies)
Discussion started by: ks_reddy
5 Replies

7. Shell Programming and Scripting

Calculating average with awk

I need to find the average from a file like: data => BW:123 M:30 RTD:0 1 0 1 0 0 1 1 1 1 0 0 1 1 0' data => BW:123 N:30 RTD:0 1 0 1 0 0 1 1 1 1 0 0 1 1 0' data => BW:123 N:30 RTD:0 1 0 1 0 0 1 1 1 1 0 0 1 1 0' data => BW:123 N:30 RTD:0 1 0 1 0 0 1 1 1 1 0 0 1 1 0' data => BW:123 N:30 RTD:0 1... (4 Replies)
Discussion started by: Slagle
4 Replies

8. Shell Programming and Scripting

Calculating Running Variance Using Awk

Hi all, I am attempting to calculate a running variance for a file containing a column of numbers. I am using the formula variance=sum((x-mean(x))^2)/(n-1), where x is the value on the current row, and mean(x) is the average of all of the values up until that row. n represents the total number... (1 Reply)
Discussion started by: Jahn
1 Replies

9. UNIX for Dummies Questions & Answers

Calculating cumulative frequency using awk

Hi, I wanted to calculate cumulative frequency distribution of my data that involves several arithmetic calls. I did things in excel but its taking me forever. this is what I want to do: var1.txt contains n observations which I have to compute for frequency which is given by 1/n and subsequently... (7 Replies)
Discussion started by: ida1215
7 Replies

10. UNIX for Beginners Questions & Answers

Calculating correlations across columns in awk

Hello, I came across a previous thread "awk-calculating-simple-correlation-rows" which calculated correlations across rows in awk. Code: awk '{ a = 0; for (i = 2; i <= NF; ++i) a += $i; a /= NF-1 b = 0; for (i = 2; i <= NF; ++i) b += ($i - a) ^ 2; b = sqrt(b) if... (7 Replies)
Discussion started by: Ross
7 Replies
PG_FIELD_NAME(3)														  PG_FIELD_NAME(3)

pg_field_name - Returns the name of a field

SYNOPSIS
string pg_field_name (resource $result, int $field_number) DESCRIPTION
pg_field_name(3) returns the name of the field occupying the given $field_number in the given PostgreSQL $result resource. Field numbering starts from 0. Note This function used to be called pg_fieldname(3). PARAMETERS
o $result - PostgreSQL query result resource, returned by pg_query(3), pg_query_params(3) or pg_execute(3) (among others). o $field_number - Field number, starting from 0. RETURN VALUES
The field name, or FALSE on error. EXAMPLES
Example #1 Getting information about fields <?php $dbconn = pg_connect("dbname=publisher") or die("Could not connect"); $res = pg_query($dbconn, "select * from authors where author = 'Orwell'"); $i = pg_num_fields($res); for ($j = 0; $j < $i; $j++) { echo "column $j "; $fieldname = pg_field_name($res, $j); echo "fieldname: $fieldname "; echo "printed length: " . pg_field_prtlen($res, $fieldname) . " characters "; echo "storage length: " . pg_field_size($res, $j) . " bytes "; echo "field type: " . pg_field_type($res, $j) . " "; } ?> The above example will output: column 0 fieldname: author printed length: 6 characters storage length: -1 bytes field type: varchar column 1 fieldname: year printed length: 4 characters storage length: 2 bytes field type: int2 column 2 fieldname: title printed length: 24 characters storage length: -1 bytes field type: varchar SEE ALSO
pg_field_num(3). PHP Documentation Group PG_FIELD_NAME(3)
All times are GMT -4. The time now is 09:28 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy