Dan Muey wrote:
> if you do use strict; and a -w switch and you use $ARGV[0]
> it says "use of uninitiated value at line ..." if $ARGV[n] is empty
>
> What do I need to do with @ARGV or $ARGV[n] to make it not give that message?
>
>
> #!/usr/bin/perl -w
> use strict;
>
> if($ARGV[0] =~ /\d/) { print "$ARGV[0] has a number in it\n"; } # line 4
Remember shortcut evaluation:
if($ARGV[0] and $ARGV[0] =~ /\d/) { print "$ARGV[0] has a number in it\n"; } # line 4
Joseph
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
