9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
i am having a varialbe a , which is input to my file
i want to multiply this input with value .43, and assign it to variable b.
i tried it as below:
#!/bin/sh
a=$1
b=`expr $1\*0.43`
echo b=$b
error : expr: non-integer argument
Please tell me , how to do this.
Thanks (10 Replies)
Discussion started by: rishifrnds
10 Replies
2. Shell Programming and Scripting
Hi
I want to perform arithmetic operations on output of `wc -l`.
for example
user046@sshell ~ $ ls -l
total 0
where "total 0" will increase one line in wc -l
filecount=`ls -l | wc -l`
here $filecount will be 1 but is should be 0
how to get rid of it ? (1 Reply)
Discussion started by: anandgodse
1 Replies
3. UNIX for Dummies Questions & Answers
hi,
I want to do multiple arithmetic operations in a single line. I tried with the following line
total_size=`expr ($total_size + $file_size) / 1024`
this line is throwing me error.
Im working on korn shell. Can i know how to do multiple arithmetic operations in a single line (2 Replies)
Discussion started by: midhun19
2 Replies
4. UNIX for Dummies Questions & Answers
Hi,
I have a file with thousands of lines like this:
Chr1 477515 . ACCCC ACCC 17.7 . INDEL;DP=17;AF1=1;CI95=0.5,1;DP4=0,1,0,3;MQ=32;PV4=1,0.036,1,1
Chr1 481987 . A AAAT 62 . INDEL;DP=11;AF1=1;CI95=0.5,1;DP4=0,0,1,3;MQ=41
I want to make a file with... (2 Replies)
Discussion started by: fadista
2 Replies
5. Shell Programming and Scripting
I have a txt file with two columns
Freq Loss
10 30
20 40
30 10
40 50
50 60i have used the below code to get the minimum value out of this array in second cloumn.
awk 'NR==N{min=$N;max=$N}NR>N{if ($N>max){max=$N};if ($N<min){min=$N}}END {print... (3 Replies)
Discussion started by: shashi792
3 Replies
6. Shell Programming and Scripting
Guys,
The below expression is valid in which shells (sh,ksh,bash,csh)?
VAR1=2
VAR2=$(($VAR1 -2))
Thanks (1 Reply)
Discussion started by: rprajendran
1 Replies
7. Shell Programming and Scripting
Friends,
I have a file with contents like:
interface Serial0/4/0/0/1/1/1/1:0
encapsulation mfr
multilink
group 101
Now I need to manipulate the file in such a way that to all the numbers less than 163, 63 gets added and to all numbers greater than 163, 63 gets deducted.(The numbers... (2 Replies)
Discussion started by: shrijith1
2 Replies
8. Shell Programming and Scripting
I want to append a file containing a list of names and the sorted contents of the file should be copied to a new file. All this should be on a single line( using pipes and redirection)
Pls help ..
thankyou (1 Reply)
Discussion started by: phiber_optik
1 Replies
9. Shell Programming and Scripting
hello all,
i am having a variable with a value of 0000010000 and if i add the variable with some no:
suppose
i=0000010000
n=`expr $i + 1`
echo $n
the output i am reciving is 10001 .it deletes all the zeros
but i need result as 0000010001..
please help me...
thanks in... (3 Replies)
Discussion started by: ithirak17
3 Replies