10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Say I have this line:
read -p "Enter 3 numbers: " num1 num2 num3;
I want to write a while loop that repeatedly asks for input if the number of inputs entered is not equal to 3.
I don't know the correct command to find the number of inputs entered. Help, please? (4 Replies)
Discussion started by: jejemonx
4 Replies
2. Shell Programming and Scripting
Hello there, find below for my code first:
$pdp_asaba=`cat /tmp/temp_total | grep asaba | sed 's/*//g'`
if ]]
then pdp_asaba=0
fi
$pdp_abuja=`cat /tmp/temp_total | grep abuja | sed 's/*//g'`
if ]]
then pdp_abuja=0
fi
$pdp_ojota=`cat /tmp/temp_total | grep ojota | sed 's/*//g'`
if ... (3 Replies)
Discussion started by: infinitydon
3 Replies
3. Shell Programming and Scripting
I checked all the previous threads related to this and tried this.
My input is all numbers or decimals greater than zero everytime.
I want to check the same in the korn shell script.
Just validate the string to be numeric.
This is what I am doing.
var="12345"
if ) -o "$var" !=... (14 Replies)
Discussion started by: megha2525
14 Replies
4. 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
5. Shell Programming and Scripting
Hi,
I want to know, how we find out if a column is having a numeric value or not.
For Example if we have a csv file as
ASDF,QWER,GHJK,123,FGHY,9876
GHTY,NVHR,WOPI,623,HFBS,5386
we need to find out if the 4th and 6th column has muneric value or not.
Thanks in advance
Keerthan (9 Replies)
Discussion started by: keerthan
9 Replies
6. Shell Programming and Scripting
How to check if the file contains only numeric values.
I don't want to read entire file it eats lot of cpu
Or any way which consumes less memory n cpu..
Please suggest
-S (2 Replies)
Discussion started by: sunilmenhdiratt
2 Replies
7. Shell Programming and Scripting
Hi All,
I would like to convert my below csh script to Perl.
Can any expert help ?
# To check for numeric input
set tested1 = `echo "$tested"| awk '/^+$/'`;
# To remove un-neccessary zeros
set tested2 = `echo "$tested"|awk '{print $0+0}'`; (3 Replies)
Discussion started by: Raynon
3 Replies
8. Programming
Hi,
how to check the given string is numeric or not , without converting ( using strtol...).
for ex: if string is C01 - non-numeric data
if string is 001 - numeric data
TIA (11 Replies)
Discussion started by: knowledge_gain
11 Replies
9. Shell Programming and Scripting
Below is the abstract of the script which is working fine.
if ]
then
error_process "Invalid month format."
return 1
fi
I am doing validation for month and it errors if the value is > 12 or < 0. In addition, I want to add another condition to error if it... (2 Replies)
Discussion started by: sony_dada
2 Replies
10. Shell Programming and Scripting
if test $b -ne
then
echo "\n\n\n\tPassword reset has been done successfully"
else
echo "\n\n\n\tAn error occurred"
fi
i want to check whether $b is non-numeric so how to do that? (3 Replies)
Discussion started by: sachin.gangadha
3 Replies