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IsFloatNumber.sh (GPL)

IsFloatNumber.sh is a Bourne Shell script that helps your custom shell scripts determine whether the specified argument is a number. Only floating point numbers are valid; discrete numbers are not. You can use it to test the validity of user input, etc. This script outputs a '1' for true and a '0' for false.

IsFloatNumber.sh is distributed as executable source code under the GNU General Public License. Please see the license agreement elsewhere on this site.

Usage

IsFloatNumber.sh arg

Examples

: IsFloatNumber.sh 23.97
1
: IsFloatNumber.sh .979
0
: IsFloatNumber.sh 963.
0
: IsFloatNumber.sh 234.ablj
0
: IsFloatNumber.sh abou3234.9374
0

Attached File: IsFloatNumber.sh (366 B)

Chieh Cheng
Wed, 18 Jun 2008 00:34:04 +0000

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