Rounding issue with awk


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Rounding issue with awk
# 1  
Old 07-29-2009
Rounding issue with awk

Hi Friends,

I am trying to round following number.

0.07435000


echo "0.07435000"|awk '{printf "%s\n",$1*100}'|awk '{printf "%.2f\n",$1}'


It returns: 7.435
It should return: 7.44

Any suggestion please?

Thanks,
Prashant
# 2  
Old 07-29-2009
try this..
Code:
echo "0.07435000"|awk '{printf "%.2f\n",$1*100+0.005}'

# 3  
Old 07-29-2009
Got it.

Thank you very much,

Prashant
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

[awk] rounding a float number?

Heyas Trying to calculate the total size of a file by reading its bitrate. Code snippet: fs_expected() { # # Returns the expected filesize in bytes # pr_str() { ff=$(cat $TMP.info) d="${ff#*bitrate: }" echo "${d%%,*}" | $AWK '{print $1}' | head -n 1 } t_BYTERATE=$((... (9 Replies)
Discussion started by: sea
9 Replies

2. Shell Programming and Scripting

Variable value substitution issue with awk command issue

Hi All, I am using the below script which has awk command, but it is not returing the expected result. can some pls help me to correct the command. The below script sample.ksh should give the result if the value of last 4 digits in the variable NM matches with the variable value DAT. The... (7 Replies)
Discussion started by: G.K.K
7 Replies

3. Shell Programming and Scripting

printf (awk,perl,shell) float rounding issue

Hi guys, could someone throw some light on the following behaviour of printf (I'll start with info about the system and the tool/shell/interpreter versions)?: $ uname -a Linux linux-86if.site 3.1.0-1.2-desktop #1 SMP PREEMPT Thu Nov 3 14:45:45 UTC 2011 (187dde0) x86_64 x86_64 x86_64... (9 Replies)
Discussion started by: elixir_sinari
9 Replies

4. Shell Programming and Scripting

awk calculation automatically rounding off the output

I have some calculation in my script which is similar to the below example . I find that sometimes when using large decimal digits, the output gets automatically rounded off and it is affecting the program. I am not able to understand what is happening here.. awk '{ a=6.32498922 a1=6.324... (5 Replies)
Discussion started by: wanderingmind16
5 Replies

5. Shell Programming and Scripting

awk, floating point and rounding

I had a person bring an interesting problem to me that appears to involve some sort of rounding inside awk. I've verified this with awk and nawk on Solaris as well as with gawk 3.1.5 on a Linux box. The original code fragment he brought me was thus: for (index=0; index < 1; index=index+.1) ... (4 Replies)
Discussion started by: mmyer2
4 Replies

6. Shell Programming and Scripting

AWK rounding up numbers

Hi, I have managed to round up numbers by using the following command: echo "5.54" | awk '{printf "%.0f\n", $1}' result 6 How can I round up all the numbers in a column in a file and print the lines with the new calculated totals? Thanks, (3 Replies)
Discussion started by: keenboy100
3 Replies

7. Shell Programming and Scripting

Rounding Script Help

I need some help with my rouding script. I have started pretty much from scratch and have no idea if its correct or even close but I have been trying and have gotten to this point. i keep getting syntax errors and im not sure what is wrong. Here is what I got let value=$1; while do let... (4 Replies)
Discussion started by: kingrj46
4 Replies

8. UNIX for Dummies Questions & Answers

Annoying rounding issue in awk

Hello I am getting this very annoying issue in awk: awk '{a=12825;b=a*1.25; print b}' test 16031.2 Thing is the multiplication result is wrong... Result should be 16031.25. I think the issue only happens on bigger numbers. What can I do to get passed this? Thanks by advance (3 Replies)
Discussion started by: Indalecio
3 Replies

9. Shell Programming and Scripting

Rounding off to the next whole number

Hello, I searched a lot on this Forum. Please help me with the below problem. I want to divide two numbers and the result should be the next nearest whole number. E.G. Dividing 10.8/5 ideally gives 2.16. But the result should be 3 i.e. rounded off to the next whole number. Any help will... (2 Replies)
Discussion started by: damansingh
2 Replies

10. Shell Programming and Scripting

Rounding off using BC.

Hello again. I'm trying to use BC to calculate some numbers in a shell script. I want to have the numbers rounded off to 1 decimal place. for example: initsize=1566720 zipsize=4733 I'm trying to get the ratio between them. the equation is: (($initsize-$zipsize)/$initsize)*100 so... (3 Replies)
Discussion started by: noodlesoup
3 Replies
Login or Register to Ask a Question