Opened by gmafx at 2010-10-22 21:50
User since
2005-06-01
469 Artikel
BenutzerIn
2005-06-01
469 Artikel
BenutzerIn
2010-10-22T19:50:20 gmafxCode: (dl )1
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10@folders = grep {/ome/} readdir DIR;
$c=0;
foreach $folder (@folders)
{
$c++;
}
if ($c==0)
{
...
Ein Test auf ein leeres Array geht lesbarer:
Code (perl): (dl
)
1 2 3
@folders = grep {/ome/} readdir DIR; if (! @folders) { # oder: if (scalar @folders == 0) ...
btw: use strict; use warnings; erspart extrem viel Ärger ;-)
Everyone knows that debugging is twice as hard as writing a program in the first place. So if you're as clever as you can be when you write it, how will you ever debug it? -- Brian Kernighan: "The Elements of Programming Style"