to check variable if its non numeric Post: 302149595

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Hi Folks, I'm using bash script. I would like to check whether input is a number or not.(Only positive numbers).. if space or non numeric is entered, it should say "invalid input". pls help.. thanks in adv. Br/// Vijay.

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Check for numeric inputs

Hi All, How do i modify the below script such that if the input is numeric, it will give the numeric digit, else it will ouput "0" echo "xxx" | awk '/^+$/'

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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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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" !=...

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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 ...

LEARN ABOUT OPENSOLARIS

echo

echo(3XCURSES)						  X/Open Curses Library Functions					    echo(3XCURSES)

NAME

       echo, noecho - enable/disable terminal echo

SYNOPSIS

       cc [ flag... ] file... -I /usr/xpg4/include  -L	/usr/xpg4/lib 
	-R  /usr/xpg4/lib  -lcurses  [ library... ]

       c89 [ flag... ] file... -lcurses [ library... ]

       #include <curses.h>

       int echo(void);

       int noecho(void);

DESCRIPTION

       The  echo()  function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
       curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control  soft-
       ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.

RETURN VALUES

       Upon successful completion, these functions return OK. Otherwise, they return ERR.

ERRORS

       No errors are defined.

ATTRIBUTES

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

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

SEE ALSO

       getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)

SunOS 5.11							    5 Jun 2002							    echo(3XCURSES)