I guess I might as well weigh in also :-)
If you are really running Bash (as opposed to ash, dash, ...) then:
shopt -s extglob
is_numeric() # $1 = value to test for numeric
{
case "$1" in
+([0-9]))
return 0;
;;
esac
return 1;
}
-Tom
--
Tom Eastep \ Shorewall - iptables made easy
Shoreline, \ http://shorewall.net
Washington USA \ [EMAIL PROTECTED]
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