Rather than just setting it to 1, it may be more flexible to use $debug_switch++ instead; that way you could increase the debug level with every -d on the command-line, letting you do things like...
use constant VAGUE => 0;
use constant DETAILED => 1;
use constant PEDANTIC => 2;
if ( @x ) {
warn( "\@x is set\n" ) if DEBUG > VAGUE;
warn( scalar(@x)," elements\n" ) if DEBUG > DETAILED;
{
local $" = "\n ";
warn( "They are...\n @x\n" ) if DEBUG > PEDANTIC;
}
}
Lame example, but hopefully you get the point... :)
--k.
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