Problem with calculations Post: 302746153

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Float calculations

As expr is used for integer calculations, which command is used for float calculations.

2. Shell Programming and Scripting

problem doing the time calculations in shell.

I am trying to do a shell script to monitor if any files went through in the last hour. There is a script in cron that runs every sec checking to see if a file is there and ftp the file out of this folder. Now I just want to add a block of code that will check to see no files went in the last...

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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...

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ksh, calculations using bc

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" |...

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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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calculations in bash

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

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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...

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Number calculations

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...

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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,...

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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...

LEARN ABOUT CENTOS

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

       Report bugs to <bug-grub@gnu.org>.

SEE ALSO

       The  full  documentation  for grub-render-label is maintained as a Texinfo manual.  If the info and grub-render-label programs are properly
       installed at your site, the command

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Float calculations

Discussion started by: sharmavr

2. Shell Programming and Scripting

problem doing the time calculations in shell.

Discussion started by: jonathan184

3. UNIX for Dummies Questions & Answers

Time Calculations

Discussion started by: Nysif Steve

4. Shell Programming and Scripting

ksh, calculations using bc

Discussion started by: cesarNZ