A quicky from the interactive shell...
You will have to intercept the value 0 and generate your own error report, although the shell will generate its own...
Code:
Last login: Mon Aug 26 19:05:46 on console
AMIGA:barrywalker~> x=11
AMIGA:barrywalker~> y=3
AMIGA:barrywalker~> echo $((x/y)) # Integer result only...
3
AMIGA:barrywalker~> echo $((x%y)) # However the remainder is...
2
AMIGA:barrywalker~> x=9
AMIGA:barrywalker~> y=0
AMIGA:barrywalker~> echo $((x/y)) # Integer result only...
-bash: x/y: division by 0 (error token is "y")
AMIGA:barrywalker~> x=11
AMIGA:barrywalker~> y=3
AMIGA:barrywalker~> echo "Number = $((x/y))+$((x%y))/$y in fractions..."
Number = 3+2/3 in fractions...
AMIGA:barrywalker~> _
Last edited by wisecracker; 08-26-2013 at 04:08 PM..
Reason: Added fraction bit...
Hi! Is there is any way to divide the screen when I use UNIX shells (I have RedHat 7.1)? I have to see the command promt and process some data from very long file at the same time (I work with PThreads). Some "pseudo-windows" in text mode, huh? =) Thanks in advance and don't be angry =) (4 Replies)
Hi ..
I have a file which contains a list of numbers like..
1923,1924,1925,1926,1927,1928,1929,1930,1931,1932,2015,2016,2017,2018,2019,2020,2021,2022,2023,2024,2025,2026,2027,
2028,2029,2030,2031,2032,2115,2116,2117,2118,2119,2120,2121,2122,2123,2124,2125,2126,2127,2128,2129,2130,2131,2132,... (2 Replies)
Hi All,
I have two variables like below..
ETIMEHR =03 #END TIME HOUR
ETIMEMIN=02 #END TIME MIN
Now I'm converting the min to hour by deviding it by 60
ETIMEMINCONV=`echo "scale=2; $ETIMEMIN/60" | bc`
but when i print ETIMEMINCONV instead of getting... (6 Replies)
Hello!
Im trying to divid the numbers inputed by <STDIN> by 2.
This is what I have:
print "The input array divided by 2 is as follows:\n"; foreach ((@userArray)/2) {print}
But it is not dividing by 2?
Any help is valuable!!
Ben (3 Replies)
Hi!
Is there an easy way (maybe using awk??) to divide the values of one column of the file by it's first entry..
If I have a column:
3
4
5
6
7
I would like to divide it by 3.
I want to do this for more than 100 files, so it wouldn't be practical to open file by file and... (26 Replies)
Hi,
I have a file containing 28048 lines and I would like to split it into a a file with 3506 lines and 8 columns?
In column 1, I would like to have the first 3506 lines, in columns 2 the second 3506 lines and so on.
I've been looking around in the forum but I found very specific cases.
Is... (1 Reply)
Hi,
I do have a very simple task to divide 2 variables and display the result.
I CANNOT use bc
when i try
var1=2
var2=4
var3=$(($var1 / $var2))
echo $var3
the output is always 0
What can I change to get a dotted decimal result such as 0.5 ?
Thanks! (5 Replies)
Hi,
I have written this code the division of two numbers and multiply it by hundred (to get the percent)
echo "script running for the 1st time"
cp value_directory_present.txt /home/mysql_cnbc/value_directory_past.txt
rm -f test6.txt value_directory_present.txt
else
y1=`awk '{print $1}'... (5 Replies)
Hello,
I am using Awk in UBUNTU 12.04.
I have a file as follows, the first column represents the name of populations, in my real file, I have 47 populations and 2172 lines in total with about 47000 fields.
ABO_1 1 2
ABO_1 1 2
ABO_2 1 1
GPO_1 1 1
GPO_1 2 2
GPO_2 1 0
GPO_2 2 0
I want... (3 Replies)
Hi!
I have a file as below:
0.000145 5.82056e-08
0.000146 6.82088e-08
0.000150 7.42115e-08
0.000156 8.52142e-08
0.000176 8.82169e-08
0.000178 9.82197e-08
I'd like to divide the values of the second column by its last entry (here 9.82197e-08).
I would be thankful if someone could... (6 Replies)
Discussion started by: Setareh12
6 Replies
LEARN ABOUT SUNOS
echo
echo(1B) SunOS/BSD Compatibility Package Commands echo(1B)NAME
echo - echo arguments to standard output
SYNOPSIS
/usr/ucb/echo [-n] [argument]
DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output.
echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi-
ronment variables.
For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows:
o echo your current-working-directory's full pathname
o pipe the output through tr to translate the path's embedded slash-characters into space-characters
o pipe that output through wc -w for a count of the names in your path.
example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w"
See tr(1) and wc(1) for their functionality.
The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if
the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape
characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's
echo() also understands a as the audible bell character; however, these commands do not have an -n option.
OPTIONS -n Do not add the NEWLINE to the output.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWscpu |
+-----------------------------+-----------------------------+
SEE ALSO csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5)NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases.
SunOS 5.10 3 Aug 1994 echo(1B)