Float calculations

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1. UNIX for Beginners Questions & Answers

Loop doing calculations

Hello. I'm writing an awk script that looks at a .csv file and calculates the weighted grade for each student based on the scores and categories in the file. I am able to get the script to run the only issue however is that the same score for each student is the same. I'm self-teaching myself the...

2. Shell Programming and Scripting

Output calculations

Attached are the is original output (zipped file) and a custom file using the awk code below in which the average reads per bait are calculated (average.txt) awk '{if(len==0){last=$4;total=$6;len=1;getline}if($4!=last){printf("%s\t%f\n", last,...

3. Shell Programming and Scripting

Problem with calculations

grep Quality abc.txt | awk -F"=" '{print $2}' o/p is given as 70/70 49/70 I want in the below format (percentage format) 100% 70% help me!!!!:confused::confused::confused: ---------- Post updated at 09:59 AM ---------- Previous update was at 09:57 AM ---------- Cell 01 -...

4. UNIX for Dummies Questions & Answers

Doing calculations with bc on one field

Hello, I have to turn: Apple Inc.:325,64:329,57 into Apple Inc.:325,64:329,57:3,93 3,93=329,57-325,64. My code: cat beurs.txt | sed 's/$*$:$*$,*$*$:$*$,$*$/\4\.\5-\2\.\3/' beurs.txt | bc| tr '.' ',' | sed 's/^-*,/0,/' > winstmarges.txt; paste -d: beurs.txt winstmarges.txt; rm...

5. UNIX for Dummies Questions & Answers

help with doing calculations on data

Dear All, I have a long list like this: 337 375 364 389 443 578 1001 20100 . . . . etc I would like to substract each value from the first entry which in this case is 337 and report it in a separate column. So the expected output looks like 337 0

6. Shell Programming and Scripting

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HI i have following problem, i need to use split command to split files each should be cca 700 lines but i dont know how to inplement it in the scripts becasuse each time the origin file will be various size , any body got any idea cheers

7. UNIX for Dummies Questions & Answers

Date Calculations

I need to be able to use the current date and calculate 7 days ago to be stored in another variable to be passed to a file in my Unix shell script. I need the date in the following format: date '+%m/%d/%Y' or 05/16/2006 How do I calculate date minus 7 days or 1 week ago?

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hi all, was wondering if there is another way to do calculations in ksh scripts other than using bc ?? i am using a script to calculate average response time and my script errors out after running for a bit. e.g code i am using : averageTime=$(print "$totalTime / $numberOfEntries" |...

9. UNIX for Dummies Questions & Answers

Time Calculations

I'm trying to have a loop print out statistics every X number of seconds. How can I add a specific number of seconds to a time variable and make a comparison? Thanks ahead of time. For example: startTime = `date +%H%M%S` currentTime = $startTime executeTime = startTime + X # X is equal...

10. Programming

math.h: float ceilf(float x)

Good morning, I'm testing the use of ceilf: /*Filename: str.c*/ #include <stdio.h> #include <math.h> int main (void) { float ceilf(float x); int dev=3, result=0; float tmp = 3.444f; printf("Result: %f\n",ceilf(tmp)); return 0; }

UNIX for Dummies Questions & Answers