[PerlChina] how test a string is number?
黄叶
hylinux at gmail.com
Tue Dec 13 19:40:43 PST 2005
HI, all
I use the Getopt::Std gather the args from command line.
example:
#!/usr/bin/perl -w
use strcit;
use Getopt::Std;
my %opts = ();
getopt("d", \%opts);
print $opts{"d"}
Ok, Now I need a number value about the args named "d", but
How i test the char is number?
Thanks.
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