07-27-2012
@anil510: From math perspective, is "2.2.17" a number? How can you expect bc to evaluate two such strings?
One alternative is to first split the major version, minor version and build number, hold them in an array and then compare them.
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi anyone,
i need to compare two decimal numbers
i thought that it could be do it with if but... :(
So, i'm writing in csh and i really apreciate if anyone can help me
if ( $ppl_kn <= $ppl_wb ) then
echo "############# KNdiscount model has the lowest perplexity"
set... (5 Replies)
Discussion started by: tmxps
5 Replies
2. Shell Programming and Scripting
Hi all,
I have a issue... Is it possible to compare integer value with decimal value.
If it is not possible,then how can i compare 2 decimal values in born shell.thanks! (3 Replies)
Discussion started by: MARY76
3 Replies
3. Shell Programming and Scripting
Hi guys/gals i have a quick question. I am trying to read from a file and add the values up but the problem is the values are not integers their floats so i tried to used bc but failed epicly lol. Any tips would be great. Thanks
this is the code i have so far :
while read num
do
... (6 Replies)
Discussion started by: vb615
6 Replies
4. Shell Programming and Scripting
#!/bin/bash
filter_file=/export/home/alvin/test.txt
range1_count=0
range2_count=0
categorized(){
value=$1
if # range 5.1 to 10.0
then
range1_count=`expr $range1+ 1`
elif # range 5.1 to 15.00
then
range2_count=`expr $range2+ 1`
fi
}
#read txt file which contain lines of... (8 Replies)
Discussion started by: alvin0618
8 Replies
5. UNIX for Dummies Questions & Answers
i need to do camparisions like the below.
For the case when first=10 and second=9.9 the scripts displays process failed.
I need to be able to convert the values to integer before doing the comparision.
Like 9.9 should be rounded over to 10 before doing comparision.
Please advice how can... (3 Replies)
Discussion started by: nehagupta
3 Replies
6. Shell Programming and Scripting
THANKS UNIX SYSTEM®.I was found my job from UNIX®.I USE MONKEY WRENCH WITH WARTER.I am now studying my studio with UNIX SYSTEM®.
THANKS UNIX SYSTEM®.
THANKS OUR OPEN GROUP.
from Takayasu Sakashita.My name is Takayasu Sakashita.
I respect you.
Austin.PEACE!Bey bey.
Your friend TAKA.Good... (1 Reply)
Discussion started by: administrator®
1 Replies
7. Shell Programming and Scripting
I have 2 files say tp1.txt and tp2.txt having following data
cat tp1.txt
abc,2.20,IN20
acb,3.15,DN10
bca,3,RD10
cat tp2.txt
alv,1.00,IN20
aaa,4.05,DD10
abb,5.50,RD12
i want to compare the values on 2nd field of both the file, if value of first tp1.txt is greater than value... (3 Replies)
Discussion started by: ranabhavish
3 Replies
8. Shell Programming and Scripting
Hi,
I am facing some error while doing the comparision between 2 decimal values in bash. Pl help me out.
I have tried using below scripts. But its giving me error.
1)amt=12.3 opn_amt=12.5 var=$(awk 'BEGIN{ print "'$amt'"<"'$opn_amt'" }')
if ;then echo "correct" else echo "Wrong"... (3 Replies)
Discussion started by: Siba Tripathy
3 Replies
9. Shell Programming and Scripting
Some question about the usage of shell scripts:
1.) Are the commands of the base shell scripts a subset of bash commands?
2.) Assume I got a long, long script WITHOUT the first line.
How can I find out if the script was originally designed für "sh" or "bash"?
3.) How can I check a given... (3 Replies)
Discussion started by: pstein
3 Replies
10. UNIX for Beginners Questions & Answers
In Bash shell - the ps -ef shows only the /bin/bash but the script name is not displayed ? Is there any way to get the script names for the process command ?
--- Post updated at 08:39 AM ---
in KSH (Korn Shell), my command output shows the script names but when run in the Bash Shell... (3 Replies)
Discussion started by: i4ismail
3 Replies
LEARN ABOUT FREEBSD
major
MAKEDEV(3) BSD Library Functions Manual MAKEDEV(3)
NAME
makedev, major, minor -- device number conversion
SYNOPSIS
#include <sys/types.h>
dev_t
makedev(int major, int minor);
int
major(dev_t dev);
int
minor(dev_t dev);
DESCRIPTION
The makedev() macro allows a unique device number to be generated based on its major and minor number. The major() and minor() macros can be
used to obtain the original numbers from the device number dev.
In previous implementations of FreeBSD all block and character devices were uniquely identified by a pair of major and minor numbers. The
major number referred to a certain device class (e.g. disks, TTYs) while the minor number identified an instance within the device class.
Later versions of FreeBSD automatically generate a unique device number for each character device visible in /dev/. These numbers are not
divided in device classes.
On FreeBSD these macros are only used by utilities that need to exchange numbers with other operating systems that may use different encod-
ings for dev_t, but also applications that present these numbers to the user in a more conventional way.
RETURN VALUES
The major() macro returns a device major number that has a value between 0 and 255. The minor() macro returns a device minor number whose
value can span the complete range of an int.
SEE ALSO
mknod(2), devname(3), devfs(5)
BSD
September 28, 2008 BSD