1. UNIX for Dummies Questions & Answers

As expr is used for integer calculations, which command is used for float calculations. (1 Reply)

2. UNIX for Dummies Questions & Answers

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... (5 Replies)

3. UNIX for Dummies Questions & Answers

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? (8 Replies)

4. Shell Programming and Scripting

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 (2 Replies)

5. UNIX for Dummies Questions & Answers

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 Replies)

6. Shell Programming and Scripting

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 -... (3 Replies)

7. Shell Programming and Scripting

I'm writing a script that will read all the fields of a text file into an array(if they are numeric), while at the same time computing the minimum and maximum values from the file. After that I want to output the average of all the numbers in the array. The first problem I'm having is that many... (10 Replies)

8. Shell Programming and Scripting

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,... (7 Replies)

9. Shell Programming and Scripting

Morning All, I am needing assistance with a calculation process, which performs calculations on a group of records. Here is a breakdown of my requirement: Col1 = Always same value. Col2 = Grouping Column, and will have the same value for 5/6/7 records for example. Col3 = Date Col4 =... (3 Replies)

10. UNIX for Beginners Questions & Answers

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... (1 Reply)