10 More Discussions You Might Find Interesting
1. HP-UX
Hi
I thought the UNIX command date is universal and so I have been using
date +%z to get the numberic timezone offset (e.g. -0500)
however on HP-UX, this is not returning expected results; on my machine it returns the name of the time zone (e.g. EST) not numbers.
does anyone know... (2 Replies)
Discussion started by: flagman5
2 Replies
2. Shell Programming and Scripting
I want to calculate the following expression in script:
val=179584.0
($val *3*16384)/(1073741824)
$val will have a floating value.
Thanks!
I tried with following:
n=$(echo |awk '{ print $val*3*16384 }')
n=$(echo |awk '{ v=$val; print $v*3*16384 }')
expr $val \* 3.0 \*... (10 Replies)
Discussion started by: karumudi7
10 Replies
3. Shell Programming and Scripting
Using shell,
I have a variable, how can I check that variable for a numeric value such as "41.0"? My program needs to do one things if the numeric value is found, and another if something else such as a string of letter is found. is there a specific character that denotes a numeral? The... (2 Replies)
Discussion started by: chagan02
2 Replies
4. UNIX for Dummies Questions & Answers
Can someone tell me how to change the first column in a very large 17k line file from a random 10 digit numeric value to a non numeric value. The format of lines in the file is:
1702938475,SNU022,201004
the first 10 numbers always begin with 170 (6 Replies)
Discussion started by: Bahf1s
6 Replies
5. UNIX for Dummies Questions & Answers
Hi everyone, I want my script to check if the first argument has only numbers or not. Im not sure what im doing wrong.
This is how it looks like:
if *") ]
then
echo 'The first arguement should only be in numeric' 1>&2
exit 1
else
exit 0
fi (7 Replies)
Discussion started by: darkhider
7 Replies
6. Shell Programming and Scripting
Is there an easy way using a command or other routine for testing whether an argument on the command line is numeric? Just want to validate... I ran a search and didn't find a similar question....
Thx (3 Replies)
Discussion started by: harrisjl
3 Replies
7. Shell Programming and Scripting
Hi,
How to check whether an input to a shell script contain only numeric values.
Is there any way to check against the following characters.
&
(
)
|
\
"
'
<
>
`
I've used the following way.
echo $1 | grep "\{2\}$"
if
then (12 Replies)
Discussion started by: sumesh.abraham
12 Replies
8. Shell Programming and Scripting
Hi All,
Is there any code in Perl which can differentiate between numeric and non-numeric input? (11 Replies)
Discussion started by: Raynon
11 Replies
9. Shell Programming and Scripting
Hi,
How can I check numeric value in shell?
I am passing one parameter (integer) and I want to restrict any other characters except 0-9.
./script xyz 10
Here 2nd parameter (10) should be integer only.
Can anyone help on this?
Malay (6 Replies)
Discussion started by: malaymaru
6 Replies
10. UNIX for Dummies Questions & Answers
quick question, I am trying to run this simple equation
expr 2048 / 2.354
but get a "expr: non-numeric argument" error when ever its run. I believe it may be caused by the decimal point but I do not know how to remedy it. (3 Replies)
Discussion started by: TiredOrangeCat
3 Replies
