11-20-2001
mathematics operations in unix
Hello guys!
Can say me anybody about operatios with unix, I don't to make operations, only inside in a variable, like this
#y=4
#x=2
#let z=$y-$x
#echo $z
# 2
but I can't to make mathematical operations with decimal like this
#y=3.2
#x=1.5
#let z=$y-$x
#echo $z
# 3
this operations, I get result integers.
8 More Discussions You Might Find Interesting
1. UNIX Desktop Questions & Answers
Hi There,
Can anyone help, where i can find list of UNIX commands just for regulat day ro day operations
Thanx
MGR (1 Reply)
Discussion started by: mgoutham
1 Replies
2. Shell Programming and Scripting
Hi,
I want to compare two files. Files will look like as follows:
file1:
ASDFGHJU|1234567890123456
QWERTYUI|3456789098900890
file2:
ZXCVBVNM|0987654321234567
POLKIJUYH|1234789060985478
output file should be:
ASDFGHJU|1234567890123456
QWERTYUI|3456789098900890
Thnaks in advance (6 Replies)
Discussion started by: nivas
6 Replies
3. Shell Programming and Scripting
Hi,
Iam having the two files as follows:
file1:
ASQWEDFR09876543121234512
POIUYTREW09876512345676788
ZXCVBNMKS1209888888888888
file2:
ASQWEDFR09876543121234516 asdcvfgbtg@abc.com 0000000-90-1239--2008 8990----
CXADFGTU09876543121234789 asdcvfgbtg@abc.com ... (14 Replies)
Discussion started by: nivas
14 Replies
4. Shell Programming and Scripting
Hi Friends,
I need help in below requirements,
1. I have to get current datetime + <mins> into a variable
2. I have to compage dates like,
A=01-JAN-2009 10:20:10
B=01-JAN-2009 10:30:00
C=<same format date as above>
I have to find whether,
1. C is less than A OR,
2. C is greater... (7 Replies)
Discussion started by: smr_rashmy
7 Replies
5. IP Networking
Hello from France,
I'd like to have your opinion on this :
What unix-like would you choose for high bandwidth netwoking operations like a cluster of statefull firewalls ?
NetBSD, Linux, others ?
Thank you.
Best regards.
Vincent. (0 Replies)
Discussion started by: vrzs
0 Replies
6. Shell Programming and Scripting
Hello all!
I used to use expr for doing simple mathematics, but has a main advantage and a main disadvantage:
The advantage is that it can take variables for numbers
(e.g.{1}: echo "Give me first"
read lol
echo "Give other"
read lil
sum=`expr $lol + $lil`
echo "The sum of $lol and $lil =... (5 Replies)
Discussion started by: hakermania
5 Replies
7. Shell Programming and Scripting
hi i am having a acript for which i need to skip the execution of some lines and to continue with remaining lines for eg
script.sh
rm text
for i in *
do
.
.
.
.
.
if
then
rm
i want to skip the execution of the lines and to start with (11 Replies)
Discussion started by: rohit_shinez
11 Replies
8. What is on Your Mind?
I have added a new experimental "Computer Science and Mathematics Trivia - True or False" section in the discussions, currently under the tags box.
In the future, I plan to
Expand this feature to add more trivia categories from math, science and technology.
Keep track of correct and... (20 Replies)
Discussion started by: Neo
20 Replies
LEARN ABOUT HPUX
hppaccvdb
hppac(3X) hppac(3X)
NAME
hppac: HPPACADDD(), HPPACCMPD(), HPPACCVAD(), HPPACCVBD(), HPPACCVDA(), HPPACCVDB(), HPPACDIVD(), HPPACLONGDIVD(), HPPACMPYD(), HPPAC-
NSLD(), HPPACSLD(), HPPACSRD(), HPPACSUBD() - HP 3000-mode packed-decimal library
SYNOPSIS
DESCRIPTION
This set of calls invokes the library functions for emulating 3000-mode (MPE V/E) packed-decimal operations. These functions are in
library which is searched when the option is used with or ld(1).
Performs packed-decimal addition.
Compares two packed-decimal numbers.
Converts an ASCII representation to packed-decimal.
Converts a binary representation to packed-decimal.
Converts a packed-decimal number to ASCII.
Converts a packed-decimal number to binary.
Performs packed-decimal division.
Performs packed-decimal division (alternate routine).
Performs packed-decimal multiplication.
Performs a packed-decimal normalizing left shift.
Performs a packed-decimal left shift.
Performs a packed-decimal right shift.
Performs packed-decimal subtraction.
For all operations, the value returned in the variable to which the compcode argument points is one of the following values of type
Result > 0 or operand1 > operand2
Result < 0 or operand1 < operand2
Result == 0 or operand1 == operand2
For all operations, the value returned in the variable to which the pacstatus argument points is one of the following values of type Their
meanings are intended to be obvious:
AUTHOR
The HPPAC library was developed by HP.
SEE ALSO
PA-RISC Systems Only hppac(3X)