10 More Discussions You Might Find Interesting
1. 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
2. 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
3. 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
4. Shell Programming and Scripting
Is there a simple way of determining whether a command line arguement is numeric or not?? I tried a search and didn't find anything similar...
This is the 2nd time I've made this post.... It didn't appear that the first one showed up ??
Sorry if this is a duplicate... (1 Reply)
Discussion started by: harrisjl
1 Replies
5. 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
6. Solaris
Hello,
We have a Solaris 9 machine and recently our client want to create username based on staff numbers (all numeric).
Is there any limitation in Solaris regarding creating username with numeric values (eg: 13598029)?
Thanks & Regards
Aryawarman Mahzar (5 Replies)
Discussion started by: aryamahzar
5 Replies
7. Shell Programming and Scripting
hiii
i need help with the string operations.i need to know how do we..
1.Copy a string s1 to string s0, then append string s2 to it.
2.Replace all occurrences of substring s2 with another substring s3 in the given string s1.here the lengths of s2 and s3 may not always be equal.
3.Locate... (2 Replies)
Discussion started by: cutelucks
2 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
