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Top Forums Shell Programming and Scripting if $varib contains non-numeric charctr then... Post 302255034 by cfajohnson on Wednesday 5th of November 2008 08:00:15 PM
Old 11-05-2008
Quote:
Originally Posted by ajp7701
I've asked a similiar question to this, but this time it is different, a little more restrictive....I have a variable, $varib, that should always only contain numeric characters. I need a way to echo something if the variable contains a letter, space, or some other punctuation character, ,.!>?" etc.
Previously I used: grep '[a-zA-Z]' and that can work for letters, but what about the other characters?

Please put code inside [code] tags.
Quote:
Code:
#!/usr/bin/bash
#my checkbk
#input
echo "input number"
read varib
#if $varib contains a letter, space, comma, period, or other character
#echo something
#exit 1
#else
#echo "good number, thanks."


Code:
 case $varib in
     *[!0-9]*) echo something; exit 1 ;;
     *) echo good number, thanks. ;;
 esac

 

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NUMFMT_GET_ATTRIBUTE(3) 						 1						   NUMFMT_GET_ATTRIBUTE(3)

NumberFormatter::getAttribute - Get an attribute

	Object oriented style

SYNOPSIS
public int NumberFormatter::getAttribute (int $attr) DESCRIPTION
Procedural style int numfmt_get_attribute (NumberFormatter $fmt, int $attr) Get a numeric attribute associated with the formatter. An example of a numeric attribute is the number of integer digits the formatter will produce. PARAMETERS
o $fmt -NumberFormatter object. o $attr - Attribute specifier - one of the numeric attribute constants. RETURN VALUES
Return attribute value on success, or FALSE on error. EXAMPLES
Example #1 numfmt_get_attribute(3) example <?php $fmt = numfmt_create( 'de_DE', NumberFormatter::DECIMAL ); echo "Digits: ".numfmt_get_attribute($fmt, NumberFormatter::MAX_FRACTION_DIGITS)." "; echo numfmt_format($fmt, 1234567.891234567890000)." "; numfmt_set_attribute($fmt, NumberFormatter::MAX_FRACTION_DIGITS, 2); echo "Digits: ".numfmt_get_attribute($fmt, NumberFormatter::MAX_FRACTION_DIGITS)." "; echo numfmt_format($fmt, 1234567.891234567890000)." "; ?> Example #2 OO example <?php $fmt = new NumberFormatter( 'de_DE', NumberFormatter::DECIMAL ); echo "Digits: ".$fmt->getAttribute(NumberFormatter::MAX_FRACTION_DIGITS)." "; echo $fmt->format(1234567.891234567890000)." "; $fmt->setAttribute(NumberFormatter::MAX_FRACTION_DIGITS, 2); echo "Digits: ".$fmt->getAttribute(NumberFormatter::MAX_FRACTION_DIGITS)." "; echo $fmt->format(1234567.891234567890000)." "; ?> The above example will output: Digits: 3 1.234.567,891 Digits: 2 1.234.567,89 SEE ALSO
numfmt_get_error_code(3), numfmt_get_text_attribute(3), numfmt_set_attribute(3). PHP Documentation Group NUMFMT_GET_ATTRIBUTE(3)
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