Check for numeric inputs Post: 302133104

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1. Shell Programming and Scripting

to check variable if its non numeric

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?

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check whether it is a non-numeric character

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...

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check the given string is numeric or not.

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

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Check for Numeric output in Perl

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}'`;

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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

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How to check for a Numeric Value?

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...

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check if a string is numeric

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" !=...

9. Shell Programming and Scripting

Check whether input is numeric

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 ...

10. UNIX for Beginners Questions & Answers

Noob question: How to check the total number of inputs entered by user?

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?

LEARN ABOUT SUNOS

fminl

fmin(3M)						  Mathematical Library Functions						  fmin(3M)

NAME

       fmin, fminf, fminl - determine minimum numeric value of two floating-point numbers

SYNOPSIS

       cc [ flag... ] file... -lm [ library... ]
       #include <math.h>

       double fmin(double x, double y);

       float fminf(float float x, float y);

       long double fminl(long double x, long double y);

DESCRIPTION

       These functions determine the minimum numeric value of their arguments. NaN arguments are treated as missing data: if one argument is a NaN
       and the other numeric, these functions choose the numeric value.

RETURN VALUES

       Upon successful completion, these functions return the minimum numeric value of their arguments.

       If just one argument is a NaN, the other argument is returned.

       If x and y are NaN, a NaN is returned.

ERRORS

       No errors are defined.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       fdim(3M), fmax(3M), math.h(3HEAD), attributes(5), standards(5)

SunOS 5.10							    1 Sep 2002								  fmin(3M)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

to check variable if its non numeric

Discussion started by: sachin.gangadha

2. Shell Programming and Scripting

check whether it is a non-numeric character

Discussion started by: sony_dada

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check the given string is numeric or not.

Discussion started by: knowledge_gain

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Check for Numeric output in Perl

Discussion started by: Raynon